Chemistry General Knowledge Questions Practice Question and Answer

Q:

Acetic acid is known as ________. 

11888 1

  • 1
    Caustic soda
    Correct
    Wrong
  • 2
    Vinegar
    Correct
    Wrong
  • 3
    Baking soda
    Correct
    Wrong
  • 4
    Spirit
    Correct
    Wrong
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Answer : 2. "Vinegar"

Q:

Kerosene oil rises up in the wick of lantern because of 

9121 0

  • 1
    The gravitational pull of the wick
    Correct
    Wrong
  • 2
    Surface tension
    Correct
    Wrong
  • 3
    Buoyant force of air
    Correct
    Wrong
  • 4
    Diffusion of the oil through the wick
    Correct
    Wrong
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Answer : 2. "Surface tension"

Q:

The halogen used as an analgesic is-

4189 0

  • 1
    Chlorine
    Correct
    Wrong
  • 2
    Bromine
    Correct
    Wrong
  • 3
    Iodine
    Correct
    Wrong
  • 4
    Fluorine
    Correct
    Wrong
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Answer : 3. "Iodine"

Q:

The flavor of apple is mainly due to which one of the following? 

3608 0

  • 1
    Ethanol
    Correct
    Wrong
  • 2
    Acetone
    Correct
    Wrong
  • 3
    Formalin
    Correct
    Wrong
  • 4
    Benzene
    Correct
    Wrong
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Answer : 1. "Ethanol "

Q:

Which carbohydrate is used in silvering of mirrors?

3206 0

  • 1
    Glucose
    Correct
    Wrong
  • 2
    Starch
    Correct
    Wrong
  • 3
    Fructose
    Correct
    Wrong
  • 4
    Sucrose
    Correct
    Wrong
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Answer : 1. "Glucose "

Q:

Which among the following noble gas has highest molar mass?

3081 0

  • 1
    Kr
    Correct
    Wrong
  • 2
    ne
    Correct
    Wrong
  • 3
    Ar
    Correct
    Wrong
  • 4
    Xe
    Correct
    Wrong
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Answer : 4. "Xe"

Q:

Soda lime is a mixture of

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  • 1
    NaOH + CaCO3
    Correct
    Wrong
  • 2
    NaOH + CaO
    Correct
    Wrong
  • 3
    NaOH + HOH
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "NaOH + CaO"

Q:

What percentage of carbon is in steel?

1870 0

  • 1
    3%
    Correct
    Wrong
  • 2
    4%
    Correct
    Wrong
  • 3
    2%
    Correct
    Wrong
  • 4
    5%
    Correct
    Wrong
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Answer : 3. "2%"

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