Chemistry Questions Practice Question and Answer

Q:

NaHCO3 is chemical formula for ___________.

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  • 1
    Borax
    Correct
    Wrong
  • 2
    Vinegar
    Correct
    Wrong
  • 3
    Lime
    Correct
    Wrong
  • 4
    Baking soda
    Correct
    Wrong
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Answer : 4. "Baking soda"

Q:

Read the following questions carefully and answer them. 

The isotope of Uranium used in atomic reactors is

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

Q:

The helical structure of protein is stabilized by

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  • 1
    Depeptide bonds
    Correct
    Wrong
  • 2
    Hydrogen bonds
    Correct
    Wrong
  • 3
    Ester bonds
    Correct
    Wrong
  • 4
    Peptide bonds
    Correct
    Wrong
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Answer : 2. "Hydrogen bonds"

Q:

Fe has 26 protons in its nucleus. What are the number of electrons in Fe2+ (II) ion?

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  • 1
    24
    Correct
    Wrong
  • 2
    26
    Correct
    Wrong
  • 3
    28
    Correct
    Wrong
  • 4
    13
    Correct
    Wrong
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Answer : 1. "24"

Q:

__________________ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.

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  • 1
    Antidote
    Correct
    Wrong
  • 2
    Analgesic
    Correct
    Wrong
  • 3
    Antihistamine
    Correct
    Wrong
  • 4
    Depressant
    Correct
    Wrong
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Answer : 4. "Depressant"

Q:

Which of the following is used as raw material for the manufacture of rayon?

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  • 1
    Coal
    Correct
    Wrong
  • 2
    Petroleum
    Correct
    Wrong
  • 3
    Cellulose
    Correct
    Wrong
  • 4
    Plastic
    Correct
    Wrong
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Answer : 3. "Cellulose"

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:

Which among the following is false about natural rubber?

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  • 1
    It is an elastomer
    Correct
    Wrong
  • 2
    It is a monomer of cis-isoprene
    Correct
    Wrong
  • 3
    Natural rubber is a polymer of chlororprene
    Correct
    Wrong
  • 4
    It is heated with sulphur compounds to improve its properties
    Correct
    Wrong
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Answer : 3. "Natural rubber is a polymer of chlororprene"

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