Chemistry General Knowledge Questions Practice Question and Answer

Q:

Who proposed the word 'molecule'?

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  • 1
    E. Rutherford
    Correct
    Wrong
  • 2
    J.J. Thomson
    Correct
    Wrong
  • 3
    Democritus
    Correct
    Wrong
  • 4
    John Dolton
    Correct
    Wrong
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Answer : 3. "Democritus"

Q:

Which of the following is not correct about diffusion?

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  • 1
    The rate of diffusion of gases is higher than that of solid and liquid.
    Correct
    Wrong
  • 2
    Diffusion is possible only when the particles of matter are in constant motion.
    Correct
    Wrong
  • 3
    The rate of diffusion of gases depends on their volume.
    Correct
    Wrong
  • 4
    Particles in diffusion move from high concentration to low concentration.
    Correct
    Wrong
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Answer : 3. "The rate of diffusion of gases depends on their volume."

Q:

A catalyst is a substance that_________ the velocity of a chemical reaction.

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  • 1
    Increases
    Correct
    Wrong
  • 2
    Decreases
    Correct
    Wrong
  • 3
    Changes
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Changes"

Q:

Nowadays yellow lamps are being used in abundance in street lights. Which of the following gas are used in these lamps?

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  • 1
    Sodium
    Correct
    Wrong
  • 2
    Neon
    Correct
    Wrong
  • 3
    Hydrogen
    Correct
    Wrong
  • 4
    Nitrogen
    Correct
    Wrong
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Answer : 1. "Sodium"

Q:

The tendency to receive electrons is called-

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  • 1
    Oxidation
    Correct
    Wrong
  • 2
    Reduction
    Correct
    Wrong
  • 3
    Catalysis
    Correct
    Wrong
  • 4
    Motivation
    Correct
    Wrong
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Answer : 2. "Reduction"

Q:

The tendency to give up electrons is called-

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  • 1
    Oxidation
    Correct
    Wrong
  • 2
    Reduction
    Correct
    Wrong
  • 3
    Catalysis
    Correct
    Wrong
  • 4
    Motivation
    Correct
    Wrong
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Answer : 1. "Oxidation "

Q:

Oxygenation is a chemical reaction in which

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  • 1
    The electron is discarded.
    Correct
    Wrong
  • 2
    Oxygen is a combination.
    Correct
    Wrong
  • 3
    The ratio of the positive group increases.
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"

Q:

What is the basic element of all organic compounds?

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  • 1
    Nitrogen
    Correct
    Wrong
  • 2
    Oxygen
    Correct
    Wrong
  • 3
    Carbon
    Correct
    Wrong
  • 4
    Sulfur
    Correct
    Wrong
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Answer : 3. "Carbon"

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