Chemistry Practice Question and Answer

Q:

The common name of dichlorodifluoromethane is _____.

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  • 1
    gypsum
    Correct
    Wrong
  • 2
    borax
    Correct
    Wrong
  • 3
    galena
    Correct
    Wrong
  • 4
    Freon
    Correct
    Wrong
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Answer : 4. "Freon"

Q:

In chemistry, soap is a salt of a ............

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  • 1
    Fatty acid
    Correct
    Wrong
  • 2
    Glycol
    Correct
    Wrong
  • 3
    Phosphorous
    Correct
    Wrong
  • 4
    Ammounium Carbonate
    Correct
    Wrong
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Answer : 1. "Fatty acid"

Q:

Which of the following is an oxidising agent ? 

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  • 1
    KMnO4
    Correct
    Wrong
  • 2
    K2 Cr2 07
    Correct
    Wrong
  • 3
    HNO3
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above "

Q:

Which of these non-metals is shiny?

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  • 1
    Carbon
    Correct
    Wrong
  • 2
    Iodine
    Correct
    Wrong
  • 3
    Sulfur
    Correct
    Wrong
  • 4
    Bromine
    Correct
    Wrong
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Answer : 4. "Bromine"

Q:

Which of the following is a Lewis base?

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  • 1
    Ammonia
    Correct
    Wrong
  • 2
    Magnesium chloride
    Correct
    Wrong
  • 3
    Aluminum chloride
    Correct
    Wrong
  • 4
    Sodium ion
    Correct
    Wrong
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Answer : 1. "Ammonia"

Q:

Read the following questions carefully and answer them. 

Polythene is polymer of

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  • 1
    Ethylene
    Correct
    Wrong
  • 2
    Propylene
    Correct
    Wrong
  • 3
    Acetylene
    Correct
    Wrong
  • 4
    Aniline
    Correct
    Wrong
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Answer : 1. "Ethylene "

Q:

Plastic bottles are made of a polymer called PET. The expanded form of PET is

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  • 1
    Polyethylene terephthalate
    Correct
    Wrong
  • 2
    Polyethyl Terelene
    Correct
    Wrong
  • 3
    Polyethylene triphosphate
    Correct
    Wrong
  • 4
    Polyethyl tetrachloride
    Correct
    Wrong
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Answer : 1. "Polyethylene terephthalate"

Q:

Of the options listed below, the speed of sound is highest in _____ at 25°C. 

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  • 1
    Ethanol
    Correct
    Wrong
  • 2
    Aluminium
    Correct
    Wrong
  • 3
    Oxygen
    Correct
    Wrong
  • 4
    Hydrogen
    Correct
    Wrong
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Answer : 2. "Aluminium "

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