Chemistry Practice Question and Answer

Q:

Acetic acid is known as ________. 

11507 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 

8853 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:

Zinc and lead, than copper?

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  • 1
    is less active
    Correct
    Wrong
  • 2
    is more active
    Correct
    Wrong
  • 3
    is equally functional
    Correct
    Wrong
  • 4
    Others
    Correct
    Wrong
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Answer : 2. "is more active"

Q:

Which of the following is a heterogeneous compound?

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  • 1
    Plaster of Paris
    Correct
    Wrong
  • 2
    Chalk
    Correct
    Wrong
  • 3
    Marble
    Correct
    Wrong
  • 4
    Limestone
    Correct
    Wrong
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Answer : 1. "Plaster of Paris"

Q:

The halogen used as an analgesic is-

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

Q:

Which of the following is used as a lubricant in heavy machines? 

3462 0

  • 1
    Phosphorus
    Correct
    Wrong
  • 2
    Graphite
    Correct
    Wrong
  • 3
    Bauxite
    Correct
    Wrong
  • 4
    Sulphur
    Correct
    Wrong
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Answer : 2. "Graphite "

Q:

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

3311 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 of the following gases is used in cigarette lighter? 

3127 0

  • 1
    Propane
    Correct
    Wrong
  • 2
    Radon
    Correct
    Wrong
  • 3
    Butane
    Correct
    Wrong
  • 4
    Methane
    Correct
    Wrong
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Answer : 3. "Butane "

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