Question for JKPSC School Lecturer (Chemistry) 2026 - Quiz / Questions / MCQ

Objective Questions

Latest JKPSC School Lecturer Chemistry Exam Question (Objective Questions), MCQ in English

Subjects : General Knowledge, Chemistry

Question Bank JKPSC School Lecturer Chemistry Exam- English

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General Knowledge

Question 1Single Answer

Yojna a weekly journal

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 2Single Answer

Kurukshetra a journal on rural development is published by

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 3Single Answer

Devaluation of a currency means

A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market

Question 4Single Answer

In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry

A
1 and 3
B
2 and 3
C
1 and 2
D
1,2 and 3

Question 5Single Answer

Which of the following programmes aims at the promotion of savings among rural women

A
Rashtriya Mahila Kosh
B
Indira Mahila Yojna
C
Jawahar Rozgar Yojna
D
Mahila Samridhi Yojna

Question 6Single Answer

What is Net National Product

A
the money value of final goods and services produced annually in the economy
B
the money value of annual service generation in the economy
C
the money value of tangible goods produced annually in the economy
D
The money value of tangible goods available in the economy

Question 7Single Answer

National income is the

A
net national product at market price
B
net national product at factor cost
C
net domestic product at market price
D
net domestic product at factor cost

Question 8Single Answer

Chelliah Committee of 1992 deals with the overhauling of our

A
financial system
B
tax system
C
patents and copyrights
D
Public sector undertakings

Question 9Single Answer

During which Five Year Plan was the annual growth rate of National Income the lowest

A
2^nd plan
B
3^rd plan
C
5^th plan
D
6^th plan

Question 10Single Answer

Which of the following taxes is a progressive tax

A
sales tax
B
custom tax
C
excise tax
D
income tax

Question 11Single Answer

Which of the following is the earliest source of Kashmir

A
Shivadrishti
B
Rajtarangini
C
Nilmatpuran
D
Pratyabhijnasutra

Question 12Single Answer

How many megalithic sites have existed in pre-historic times in Kashmir ?

A
One
B
Three
C
Four
D
Two

Question 13Single Answer

Which is the first archaeological site in the country which revealed the existence of a Neolithic settlement in Kashmir region ?

A
Aihole
B
Lothal
C
Konark
D
Burzahom

Question 14Single Answer

which of the following are a few major invention of the Neolithic Era ?

A
Needles
B
Harpons
C
Hunting tools
D
All of these

Question 15Single Answer

When did the habilitation at Burzahom came to an end ?

A
AD 1300
B
1300 Bc
C
Ad 1400
D
1400 bC

Question 16Single Answer

Pandrethan, the old city of Srinagar was founded by

A
Ashoka
B
Gautam
C
Gondana I
D
Yudhistira

Question 17Single Answer

Which of the following place, the fourth Buddhist council was held ?

A
Patliputra
B
Uttar Pradesh
C
Kashmir
D
Kurukshetra

Question 18Single Answer

Who is known as the ‘Samudragupta of Kashmir’ ?

A
Gunavarman
B
Durlab vardhan
C
Lalitaditya
D
Sanghbuti

Question 19Single Answer

Which of the following king founded the Pravarsempura City of Srinagar ?

A
Parvasen I
B
Parvasena II
C
Ashoka
D
None of these

Question 20Single Answer

Kumarajiva was among the renowned Kashmiri Scholars who travelled to……

A
China
B
Afghan
C
Europe
D
None of these

Question 21Single Answer

When was the Constituent Assembly of India formed?

A
1946
B
1947
C
1948
D
1950

Question 22Single Answer

Who was the Chairman of the Drafting Committee of the Indian Constitution?

A
Dr. Rajendra Prasad
B
Dr. B.R. Ambedkar
C
Jawaharlal Nehru
D
Sardar Vallabhbhai Patel

Question 23Single Answer

What is the lithosphere composed of ?

A
Water and gases
B
Rocks and minerals
C
Living organisms
D
Air and gases

Question 24Single Answer

The lithosphere includes :

A
Only the Earth's crust
B
The Earth's crust and upper mantle
C
Only the Earth's mantle
D
The Earth's crust, mantle, and core

Question 25Single Answer

Who is known as the "Missile Man of India"?

A
Dr. Homi J. Bhabha
B
Dr. Vikram Sarabhai
C
Dr. APJ Abdul Kalam
D
Dr. Satish Dhawan

Question 26Single Answer

Which organization is responsible for India's space exploration programs?

A
BARC
B
ISRO
C
DRDO
D
HAL

Question 27Single Answer

Which state is hosting the National SARAS Mela 2025?

A
Karnataka
B
Maharashtra
C
Kerala
D
Gujarat

Question 28Single Answer

Which ministry released the ‘UDISE Plus’ Report in 2025?

A
Ministry of Finance
B
Ministry of Education
C
Ministry of Culture
D
Ministry of Urban Development

Question 29Single Answer

Which city reported a surge in Guillain-Barré Syndrome (GBS) cases in August 2025?

A
Jerusalem
B
Gaza
C
Tehran
D
Damascus

Question 30Single Answer

Where was the maiden Exercise Aarogya Setu organized by the Indian Army?

A
Sikkim
B
Assam
C
Tripura
D
Odisha

Question 31Single Answer

Which of the following is not a synthetic fibre:

A
Anygora
B
Rayon
C
Nylon
D
Polyster

Question 32Single Answer

Which one of the following is not contained in Portland cement ?

A
Ca₃Al₂O₆
B
Ca₃SiO₅
C
Ca₂SiO₄
D
Ca₃(PO₄)₂

Question 33Single Answer

What is the reson for white cement to be white ?

A
It does not contain carbon
B
It does not contain silicon
C
It does not contain iron
D
It does not contain calcium

Question 34Single Answer

Which fertilizer is assimilated directly by the plant ?

A
Super phosphate
B
Nitrolim
C
Muriate of Potash
D
Humus

Question 35Single Answer

Which of the following chemicals is used in foam fire extinguishers ?

A
Aluminium sulphate
B
Copper sulphate
C
Cobalt sulphate
D
Nickel sulphate

Question 36Single Answer

What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?

A
Glass
B
Cement
C
paint
D
Gun powder

Question 37Single Answer

Which one of the following chemicals is used in beauty parlours for hair – setting ?

A
Sulphur based
B
Phosphorus based
C
Silicon based
D
Iron based

Question 38Single Answer

Which one of the following is used as a mordant in dyeing and tanning industry ?

A
Magnesium oxide
B
Magnesium carbonate
C
Magnesium chloride
D
Magnesium sulphate

Question 39Single Answer

Which one of the following substances is used in the manufacture of safety matches ?

A
Red phosphorus
B
White phosphorus
C
Phosphorus trioxide (P₂O₃)
D
Black phosphorus

Question 40Single Answer

Which one of the following polymeric materials is used for making bullet proof jacket ?

A
Nylon –6, 6
B
Rayon
C
Kevlar
D
Dacron

Question 41Single Answer

Which one of the following is another name of RDX

A
Cyanohydrin
B
Dextran
C
Cyclohexane
D
Cyclonite

Question 42Single Answer

Which one of the following is used as an explosive ?

A
Phosphorus trichloride
B
Mercuric oxide
C
Graphite
D
Nitroglycerine

Question 43Single Answer

Flint glass is obtained from which of the following ?

A
Zinc and barium borosilicate
B
Sand, red lead and potassium carbonate
C
Sodium aluminium borosilicate
D
Pure silica and zinc oxide

Question 44Single Answer

Which one of the following correctly defines the state of glass ?

A
Crystalline solid
B
Super cooled liquid
C
Condensed gas
D
Liquid crystal

Question 45Single Answer

Which one of the following is not used as fertilizer ?

A
Ammonium nitrate
B
Ammonium sulphide
C
Ammonium phosphate
D
Ammonium sulphate

Question 46Single Answer

Which one of the following elements is needed in the human body to transfer electrical signals by nerve cells ?

A
Lithium
B
Sodium
C
Rubidium
D
Caesium

Question 47Single Answer

Which one of the following is NOT true for bleaching powder ?

A
It is used as a reducing agent in chemical industries
B
It is used for bleaching wood pup in paper factories
C
It is used for disinfecting drinking water
D
It is used for bleaching linen in textile industry

Question 48Single Answer

Hard glass having the same ingredientsas soft glass excepts.

A
hard glass have Na in place of K
B
hard glass having K in place of Na
C
hard glass having both Na and K
D
None of the above

Question 49Single Answer

A complete fertilizer provides

A
N,P, K
B
S, K, N
C
S, B, K
D
N, S, P

Question 50Single Answer

Antacids are commonly used to get rid of acidity in the Stomach. A commonly used antacid is.

A
sodium hydrogen phthalate
B
magnesium hydroxide
C
calcium hydroxide
D
manganese acetate

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General Knowledge

Question 51Single Answer

Annealing of glass is done to.

A
make it brittle
B
make it opaque
C
make it transparent
D
None of the above

Question 52Single Answer

Petrochemicals are obtained from.

A
coal
B
petroleum
C
coal tar
D
All of these

Question 53Single Answer

The use of chemicals for treatment of diseases is called as.

A
isothermotherapy
B
angiotherapy
C
physiotherapy
D
chemotherapy

Question 54Single Answer

Which of the following is a hypnotic drug ?

A
luminal
B
salol
C
catechol
D
chemisol

Question 55Single Answer

Teflon is a polymer of which of the following monomers ?

A
Tetrafluoroethylene
B
Vinyl chloride
C
Acetylene dichloride
D
None of the above/More than one of the above

Question 56Single Answer

LPG used as domestic fuel chiefly contains–

A
Methane
B
Propane
C
Ethylene
D
Butane
E
None of the above/More than one of the above

Question 57Single Answer

Glass is a.

A
liquid
B
colloid
C
non–crystalline amorphous solid
D
crystalline solid

Question 58Single Answer

Which one of the following acids is used for etching glass ?

A
H₂SO₄
B
HNO₃
C
HF
D
HCI

Question 59Single Answer

What is the purpose of adding plasticizers in paint manufacturing process ?

A
They act as a film–forming constituent
B
They reduce the viscosity
C
They prevent the polymerization and condensation
D
They provide elasticity to the film and minimize its cracking

Question 60Single Answer

Which raw material is used in the preperation of soft glass ?

A
K₂CO₃, SiO₂, CaCO₃
B
K₂CO₃, SiO₂, PbCO₃
C
Na₂CO₃, SiO₂, CaCO₃
D
Na₂CO₃, SiO_2,PbO

Question 61Single Answer

What is the composition of nitrolim – a chemical fertilizer ?

A
Nitrogen and limestone
B
Calcium carbide and nitrogen
C
Calcium carbide and carbon
D
None of above

Question 62Single Answer

the major component used in preparation of different type of glasses is.

A
Silica
B
Sodium borate
C
Calcium silicate
D
Sodium silicate

Question 63Single Answer

Salts of which of the following elements provide colours to fireworks ?

A
Zinc and sulphur
B
Potassium and mercury
C
Strontium and barium
D
Chromium and nickel

Question 64Single Answer

Given below are two statements :
Statement I : Phenyl is used as a household germicide.
Statement II : Phenyl is phenol derivative and phenol is an effective germicide.
In the light of the above statement, choose the correct answer from the options given below:

A
Both Statement I and II are correct and Statement II is the correct explanation of Statement I
B
Both Statement I and Statement II are true but Statement II is NOT the correct explanation of Statement I
C
Statement I is correct, but Statement II is incorrect
D
Statement I is incorrect, but Statement II is correct

Question 65Single Answer

Given below are two statements :
Statement I : Coal–based thermal power stations contribute to acid–rain.
Statement II : Oxides of carbon are emitted when coal burns.
In the light of the above statement, choose the correct answer from the options given below:

A
Both Statement I and II are individually correct and Statement II is the correct explanation of Statement I
B
Both Statement I and Statement II are individiaully correct but Statement II is not the correct explanation of Statement I
C
Statement I is correct, but Statement II is incorrect
D
Statement I is incorrect, but Statement II is correct

Question 66Single Answer

Terfenadine is commonly used as a/an.

A
transquilizer
B
antihistamine
C
antimicrobial
D
antibiotic

Question 67Single Answer

Which one of the following is not a tranqualizer ?

A
Equanil
B
Veronal
C
Salvarsan
D
Serotonin

Question 68Single Answer

Barbituric acid and its derivatives are well known.

A
antipyretics
B
analgesics
C
antiseptics
D
tranquilizers

Question 69Single Answer

Which one among is not an analgesic ?

A
Ibuprofen
B
Naproxen
C
Aspirin
D
Valium

Question 70Single Answer

Various phenol derivatives, tincture of iodine (2 – 3%) I 2 in (water/alcohol) and some dyes like methylene blue are.

A
antiseptics
B
disinfectants
C
analgesics
D
antipyretics

Question 71Single Answer

Commonly used antiseptics 'Dettol' is a mixture of.

A
o–chlorophenozylenol + terpeneol
B
o–cresol + terpeneol
C
phenol + terpeneol
D
chloroxylenol + terpeneol

Question 72Single Answer

Which of the following is not an antiseptic drug ?

A
Iodoform
B
Dettol
C
Gammexene
D
Genatian violet

Question 73Single Answer

Which one of the following substances is made from natural raw materials ?

A
Rayon
B
Nylon
C
Polyster
D
Polystyrene

Question 74Single Answer

The polymeric fibre used as a substitute for wool in making synthetic blankets, sweaters, etc. is.

A
nylon
B
teflon
C
orlon
D
bakelite

Question 75Single Answer

The cleaning of dirty clothes by soaps and detergents is deue to a type of molecules called surfactants, which are present in soaps and detergents. The surfactant molecules remove the dirt by.

A
making the cloth slippery
B
producing some gases between the dirt and the cloth
C
dissolving the dirt
D
forming some aggregates of themselves and take away the dirt in the core of the aggregates

Chemistry

Question 76Single Answer

10^-6 M NaOH is diluted 100 times. The pH of the diluted base is

A
between 7 and 8
B
between 5 and 6
C
between 6 and 7
D
between 10 and 11

Question 77Single Answer

In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current to be passed is

A
1.93 A
B
9.65 A
C
19.3 A
D
0.965 A

Question 78Single Answer

The one which decreases with dilution is

A
molar conductance
B
conductance
C
specific conductance
D
equivalent conductance

Question 79Single Answer

Vapour pressure of pure ‘A’ is 70 mm of Hg at 25^oC. It forms an ideal solution with ‘B’ in which mole fraction of A is 0.8. if the vapour pressure of the solution is 84 mm of Hg at 25^oC, the vapour pressure of pure ‘B’ at 25^oC is

A
28 mm
B
56 mm
C
70 mm
D
140 mm

Question 80Single Answer

A 6% solution of urea is isotonic with

A
1 M solution of glucose
B
0.05 M solution of glucose
C
6% solution of glucose
D
25% solution of glucose

Question 81Single Answer

In countries nearer to polar region, the roads are sprinkled with CaCl₂. This is

A
to minimise the wear and tear of the roads
B
to minimise the snow fall
C
to minimise pollution
D
to minimise the accumulation of dust on the road

Question 82Single Answer

A compound of ‘A’ and ‘B’ crystallises in a cubic lattice in which ‘A’ atoms occupy the lattice points at the corners of the cube. The ‘B’ atoms occupy the centre of each face of the cube. The probable empirical formula of the compound is

A
AB₂
B
A₂B
C
AB
D
AB₃

Question 83Single Answer

In electrophilic aromatic substitution reaction, the nitro group is meta directing because it

A
decreases electron density at ortho and para positions
B
decreases electron density at meta position
C
increases electron density at meta position
D
increases electron density at ortho and para position

Question 84Single Answer

The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with

A
PCI₅
B
PCI₃
C
SOCl₂ in presence of pyridine
D
dry HCl in the presence of anhydrous ZnCl₂

Question 85Single Answer

The carbon bond length in benzene is

A
in between C₂H₆ and C₂H₄
B
same as in C₂H₄
C
in between C₂H₆ and C₂H₂
D
in between C₂H₄ and C₂H₂

Question 86Single Answer

The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is

A
methanal
B
propanal
C
propanone
D
ethanal

Question 87Single Answer

An organic compound x is oxidised by using acidified K₂Cr₂O₇. The product obtained reacts with phenyl hydrazine but does not answer silver mirror test. The possible structured of X is

A
CH₃CH₂OH
B
CH₃ – C – CH₃
C
(CH₃)₂CHOH
D
CH₃CHO

Question 88Single Answer

Arrange the following in the increasing of their. Basic strengths CH₃NH₂, (CH₃)₂NH, (CH₃)₂N, NH₃

A
NH₃, < (CH₃)₃N < (CH₃)₂NH < CH₃NH₂
B
NH₃ < (CH₃)₃N < CH₃NH₂ < (CH₃)₂NH
C
(CH₃)₃N < NH₃ < CH₃NH₂ < (CH₃)₂NH
D
CH₃NH₂ < (CH₃)₂NH < (CH₃)₃N , NH₃

Question 89Single Answer

The one which has least iodine value is

A
sunflower oil
B
ginger oil
C
ghee
D
groundnut oil

Question 90Single Answer

A diabetic person carries a packet of glucose with him always, because

A
glucose reduces the blood sugar level slowly
B
glucose increases the blood sugar level slowly
C
glucose reduces the blood sugar level
D
glucose increases the blood sugar level almost instantaneously

Question 91Single Answer

There are 20 naturally occurring among acids. The maximum number of tripeptides than can be obtained is

A
8000
B
6470
C
7465
D
5360

Question 92Single Answer

At what temperature ill the RMS velocity of SO₂ be the same as that of O₂at 303 K ?

A
403 K
B
303 K
C
606 K
D
273 K

Question 93Single Answer

Phenol is treated with bromine water and shaken well. The white precipitate formed during the process is

A
m–bromophenol
B
2, 4, 6 tribromophenol
C
2-4 dibromophenol
D
A mixture of o-and p-bromophenols

Question 94Single Answer

In thermite process the metal used as reducing agent is:

A
Nickel
B
Zinc
C
Sodium
D
Aluminium

Question 95Single Answer

Which of the following compounds on boiling with alkaline KMnO₄and subsequent acidification will not give benzoic acid?

A
Benzyl alcohol
B
Acetophenone
C
Anisole
D
Toluene

Question 96Single Answer

The base present in DNA, but not in RNA is:

A
Guanine
B
Adenine
C
Uracil
D
Thymine

Question 97Single Answer

The total number of lattice arrangements in different crystal system is:

A
7
B
3
C
8
D
14

Question 98Single Answer

Alcoholic potash is used to bring about :

A
Dehydrogenation
B
Dehydration
C
Dehydrohalogenation
D
Dehalogenation

Question 99Single Answer

Which of the following is the correct statement?

A
Order of a reaction has always an integral value
B
Mechanism of a reaction proposed is always final
C
Zero order reactions are multi-step reactions
D
Order of reaction can be predicted even without knowing the rate law

Question 100Single Answer

The unit of quantity of electricity is:

A
Ohm
B
Ampere
C
Coulomb
D
Volt

Question 101Single Answer

Which of the following organic compounds answers both iodoform test and fehling’s test ?

A
Methanal
B
Ethanol
C
Propane
D
Ethanal

Question 102Single Answer

10 dm³ of N₂ gas and 10 dm³ of gas X at the same temperature and pressure contain the same number of molecules.

A
NO
B
H₂
C
CO₂ or CO
D
All of these

Question 103Single Answer

When the electrons of hydrogen atoms return to L shell from shells of higher energy, we get a series of lines in the spectrum. This series is called

A
Balmer series
B
Lyman series
C
Bracket series
D
Paschen series

Question 104Single Answer

The alcohol obtained by the hydrolysis of oils and fats is:

A
Glycol
B
Glycerol
C
Propanol
D
Pentanol

Question 105Single Answer

Which of the following alloys is used for making magnets for hearing aids?

A
Alnico
B
German silver
C
Invar
D
Monel metal

Question 106Single Answer

One dm³ of 2M ethanoic acid is mixed with one dm³ of 3M ethanol to form an easter
CH₃COOH + C₂H₅OH → CH₃COOC₂H₅ +H₂O
The decrease in the initial rate if each solution is diluted with an equal volume of water would be

A
2 times
B
4 times
C
0.25 times
D
0.5 times

Question 107Single Answer

Which one of the following can be classified as a Bronstead base?

A
NO₃^-
B
H₃O⁺
C
CH₃COOH
D
NH₄⁺

Question 108Single Answer

Gold sol is an electronegative sol. The amount of electrolyte required to coagulate a certain amount of gold sol is minimum in the case of :

A
CaCl₂
B
NaCl
C
AlCl₃
D
Na₂SO₄

Question 109Single Answer

Aluminium displaces hydrogen from acids, but copper does not. A Galvanic cell prepared by combining Cu/Cu²⁺ and Al/Al³⁺ has an emf of 2.0 V at 298 K. If the potential of copper electrode is +0.34 V, that of aluminium electrode is:

A
– 2.3 V
B
+ 2.34 V
C
– 1.66 V
D
+ 1.66 V

Question 110Single Answer

1.5 moles of O₂ combine with Mg to form the oxide MgO. The mass of Mg that has combined is (Mg = 24):

A
72 g
B
36 g
C
48 g
D
24 g

Question 111Single Answer

How much of NaOH is required to neutralize 1500 cm³ of 0.1 N HCI?(Na = 23):

A
60 g
B
6 g
C
4 g
D
40 g

Question 112Single Answer

The boiling point of water is exceptionally high because:

A
Water molecule is not linear
B
Water molecule is linear
C
There is covalent bond between H and O
D
Water molecules associate due to hydrogen bonding

Question 113Single Answer

P₄O₁₀ is not used with to dry NH₃ gas because:

A
P₄O₁₀ is basic and NH₃ is acidic
B
P₄O₁₀ is acidic and NH₃ is basic
C
P₄O₁₀ is not a drying agent
D
P₄O₁₀ reacts with moisture in NH₃

Question 114Single Answer

A radioactive isotope has a half-life of 10 years. What percentage of the original amount of it remain after 20 years:

A
1
B
12.5
C
8
D
25

Question 115Single Answer

75% of a first order reaction is completed in 30 minutes. What is the time required for 93.75% of the reaction (in minutes)?

A
45
B
120
C
90
D
60

Question 116Single Answer

Excess of Na⁺ ions in our system causes:

A
High B.P.
B
Low B.P.
C
Diabetes
D
Anaemia

Question 117Single Answer

Which of the following is the most active chemically?

A
Chlorine
B
Flourine
C
Lithium
D
Iodine

Question 118Single Answer

Which among the following is a Noble Gas?

A
Nitrogen
B
Hydrogen
C
Oxygen
D
Helium

Question 119Single Answer

Which among the following is known as White Vitriol?

A
Zinc Sulphate
B
Zinc Chloride
C
Zinc Phosphate
D
Zinc oxide

Question 120Single Answer

The oxidation number and the electronic configuration of sulphur in H₂SO₄ is:

A
+ 4; 1s² 2s² 2p⁶ 3s²
B
+2; +6; 1s² 2s² 2p⁶ 3s² 3p²
C
+3; 1s² 2s² 2p⁶ 3s² 3p¹
D
+6; 1s² 2s² 2p⁶

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Latest JKPSC School Lecturer Chemistry Exam Question (Objective Questions), MCQ in English

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