Chemistry General Knowledge Questions Practice Question and Answer

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:

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:

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:

In which process is a protective zinc coating applied on iron to prevent it from rusting?

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  • 1
    Galvanisation
    Correct
    Wrong
  • 2
    Annealing
    Correct
    Wrong
  • 3
    Smelting
    Correct
    Wrong
  • 4
    Welding
    Correct
    Wrong
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Answer : 1. "Galvanisation"

Q:

In which state of matter, the distance between the molecules is minimum ?

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  • 1
    Solid
    Correct
    Wrong
  • 2
    Liquid
    Correct
    Wrong
  • 3
    Gas
    Correct
    Wrong
  • 4
    Plasma
    Correct
    Wrong
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Answer : 1. "Solid"

Q:

Which of the following laws suggest a direct relationship between Temperature and Volume of a gas?

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  • 1
    Avogadro rule
    Correct
    Wrong
  • 2
    Charles rule
    Correct
    Wrong
  • 3
    Boyle rule
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Charles rule"

Q:

The catalyst is a substance through which the rates of chemical reactions ________.

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

Q:

What is the common name of CaoCl2?

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  • 1
    Washing Soda
    Correct
    Wrong
  • 2
    Bleaching Powder
    Correct
    Wrong
  • 3
    Baking Powder
    Correct
    Wrong
  • 4
    Baking Soda
    Correct
    Wrong
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Answer : 2. "Bleaching Powder "

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