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Latest RPSC Assistant Professor Chemistry Exam Question (Objective Questions), MCQ in English

Subjects : Chemistry

Question Bank RPSC Assistant Professor (Chemistry) Exam Paper 1 - English
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Chemistry

Question 1Single Answer
Who proposed the modern periodic law?
  1. A
    Henry Moseley
  2. B
    Dmitri Mendeleev
  3. C
    John Dalton
  4. D
    Lothar Meyer
Question 2Single Answer
The modern periodic table is arranged based on:
  1. A
    Atomic number
  2. B
    Atomic mass
  3. C
    Mass number
  4. D
    Neutron number
Question 3Single Answer
How many periods are in the modern periodic table?
  1. A
    6
  2. B
    7
  3. C
    8
  4. D
    9
Question 4Single Answer
How many groups are in the modern periodic table?
  1. A
    16
  2. B
    14
  3. C
    20
  4. D
    18
Question 5Single Answer
Which block contains the alkali metals?
  1. A
    p-block
  2. B
    s-block
  3. C
    d-block
  4. D
    f-block
Question 6Single Answer
Which block includes the noble gases?
  1. A
    s-block
  2. B
    f-block
  3. C
    d-block
  4. D
    p-block
Question 7Single Answer
The f-block elements are also known as:
  1. A
    Inner transition metals
  2. B
    Transition metals
  3. C
    Halogens
  4. D
    Alkaline earth metals
Question 8Single Answer
Which period contains the lanthanides?
  1. A
    5th period
  2. B
    7th period
  3. C
    6th period
  4. D
    4th period
Question 9Single Answer
Which group contains the halogens?
  1. A
    Group 15
  2. B
    Group 16
  3. C
    Group 17
  4. D
    Group 18
Question 10Single Answer
Which element is in Group 1, Period 2?
  1. A
    Sodium
  2. B
    Potassium
  3. C
    Lithium
  4. D
    Hydrogen
Question 11Single Answer
The d-block elements are found in:
  1. A
    Groups 1 and 2
  2. B
    Groups 13 to 18
  3. C
    Groups 3 to 12
  4. D
    Groups 15 to 17
Question 12Single Answer
Which period contains 32 elements?
  1. A
    5th period
  2. B
    7th period
  3. C
    6th period
  4. D
    4th period
Question 13Single Answer
The s-block elements include:
  1. A
    Alkali metals and halogens
  2. B
    Alkali metals and alkaline earth metals
  3. C
    Transition metals
  4. D
    Noble gases
Question 14Single Answer
Which element is in Group 18, Period 3?
  1. A
    Xenon
  2. B
    Neon
  3. C
    Krypton
  4. D
    Argon
Question 15Single Answer
The periodic table was first proposed by:
  1. A
    John Newlands
  2. B
    Henry Moseley
  3. C
    Dmitri Mendeleev
  4. D
    Antoine Lavoisier
Question 16Single Answer
Which block contains the actinides?
  1. A
    s-block
  2. B
    p-block
  3. C
    f-block
  4. D
    d-block
Question 17Single Answer
Which group is known as the alkaline earth metals?
  1. A
    Group 1
  2. B
    Group 17
  3. C
    Group 2
  4. D
    Group 18
Question 18Single Answer
The number of elements in the 4th period is:
  1. A
    8
  2. B
    10
  3. C
    32
  4. D
    18
Question 19Single Answer
Which element is not a p-block element?
  1. A
    Chlorine
  2. B
    Nitrogen
  3. C
    Aluminum
  4. D
    Iron
Question 20Single Answer
The lanthanides and actinides are placed:
  1. A
    At the bottom of the periodic table
  2. B
    Within the main periodic table
  3. C
    In Group 18
  4. D
    In Period 4
Question 21Single Answer
Which group contains the most reactive metals?
  1. A
    Group 2
  2. B
    Group 1
  3. C
    Group 17
  4. D
    Group 18
Question 22Single Answer
The number of valence electrons in Group 16 elements is:
  1. A
    4
  2. B
    5
  3. C
    6
  4. D
    7
Question 23Single Answer
Which period contains only s- and p-block elements?
  1. A
    5th period
  2. B
    4th period
  3. C
    3rd period
  4. D
    6th period
Question 24Single Answer
The element in Group 13, Period 3 is:
  1. A
    Boron
  2. B
    Aluminum
  3. C
    Gallium
  4. D
    Indium
Question 25Single Answer
Which block contains elements with partially filled d-orbitals?
  1. A
    s-block
  2. B
    p-block
  3. C
    d-block
  4. D
    f-block
Question 26Single Answer
The periodic table is divided into how many blocks?
  1. A
    4
  2. B
    3
  3. C
    2
  4. D
    5
Question 27Single Answer
Which group contains the chalcogens?
  1. A
    Group 16
  2. B
    Group 15
  3. C
    Group 17
  4. D
    Group 18
Question 28Single Answer
The element in Group 2, Period 4 is:
  1. A
    Magnesium
  2. B
    Strontium
  3. C
    Calcium
  4. D
    Barium
Question 29Single Answer
Which period includes the first transition series?
  1. A
    3rd period
  2. B
    6th period
  3. C
    5th period
  4. D
    4th period
Question 30Single Answer
The noble gases are chemically inert due to:
  1. A
    Incomplete valence shells
  2. B
    Low electronegativity
  3. C
    High ionization energy
  4. D
    Complete valence shells
Question 31Single Answer
The electronic configuration of copper (Cu, atomic number 29) is an exception because:
  1. A
    It has a fully filled 4p subshell
  2. B
    It has a partially filled 4s subshell
  3. C
    It has no 3d electrons
  4. D
    It has a fully filled 3d subshell
Question 32Single Answer
The electronic configuration of chromium (Cr, atomic number 24) is an exception because:
  1. A
    It has a fully filled 4s subshell
  2. B
    It has a half-filled 3d subshell
  3. C
    It has no 3d electrons
  4. D
    It has a fully filled 4p subshell
Question 33Single Answer
Which property decreases across a period from left to right?
  1. A
    Electronegativity
  2. B
    Atomic radius
  3. C
    Ionization energy
  4. D
    Electron affinity
Question 34Single Answer
Which property increases down a group in the periodic table?
  1. A
    Electronegativity
  2. B
    Ionization energy
  3. C
    Electron affinity
  4. D
    Atomic radius
Question 35Single Answer
The highest ionization energy is found in:
  1. A
    Alkali metals
  2. B
    Halogens
  3. C
    Alkaline earth metals
  4. D
    Noble gases
Question 36Single Answer
Which s-block element has the highest electronegativity?
  1. A
    Lithium
  2. B
    Sodium
  3. C
    Potassium
  4. D
    Francium
Question 37Single Answer
The trend of ionization energy across a period is:
  1. A
    Decreases
  2. B
    Remains constant
  3. C
    Increases
  4. D
    No trend
Question 38Single Answer
Which p-block element has the highest electronegativity?
  1. A
    Chlorine
  2. B
    Fluorine
  3. C
    Oxygen
  4. D
    Nitrogen
Question 39Single Answer
The atomic radius of d-block elements:
  1. A
    Increases across a period
  2. B
    Remains constant across a period
  3. C
    Decreases across a period
  4. D
    No trend
Question 40Single Answer
Which property decreases down a group in s-block elements?
  1. A
    Ionization energy
  2. B
    Atomic radius
  3. C
    Metallic character
  4. D
    Reactivity
Question 41Single Answer
The electronegativity of f-block elements is generally:
  1. A
    Low
  2. B
    High
  3. C
    Moderate
  4. D
    Zero
Question 42Single Answer
Which element has the lowest ionization energy in Group 1?
  1. A
    Lithium
  2. B
    Sodium
  3. C
    Potassium
  4. D
    Cesium
Question 43Single Answer
The electron affinity is highest for:
  1. A
    Alkali metals
  2. B
    Alkaline earth metals
  3. C
    Noble gases
  4. D
    Halogens
Question 44Single Answer
Which d-block element has variable oxidation states?
  1. A
    Zinc
  2. B
    Copper
  3. C
    Cadmium
  4. D
    Mercury
Question 45Single Answer
The trend of electronegativity down a group is:
  1. A
    Increases
  2. B
    Remains constant
  3. C
    Decreases
  4. D
    No trend
Question 46Single Answer
Which f-block element shows the lanthanide contraction?
  1. A
    Uranium
  2. B
    Cerium
  3. C
    Thorium
  4. D
    Actinium
Question 47Single Answer
The metallic character across a period:
  1. A
    Decreases
  2. B
    Increases
  3. C
    Remains constant
  4. D
    No trend
Question 48Single Answer
Which s-block element is the most reactive?
  1. A
    Lithium
  2. B
    Sodium
  3. C
    Francium
  4. D
    Potassium
Question 49Single Answer
The ionization energy of p-block elements across a period:
  1. A
    Increases
  2. B
    Decreases
  3. C
    Remains constant
  4. D
    No trend
Question 50Single Answer
Which d-block element has the highest melting point?
  1. A
    Iron
  2. B
    Nickel
  3. C
    Copper
  4. D
    Tungsten
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