Chemistry Questions Practice Question and Answer

Q:

Read the following questions carefully and answer them. 

The isotope of Uranium used in atomic reactors is

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  • 1
    $$U^235$$
    Correct
    Wrong
  • 2
    $$U^236$$
    Correct
    Wrong
  • 3
    $$U^237$$
    Correct
    Wrong
  • 4
    $$U^232$$
    Correct
    Wrong
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Answer : 1. "$$U^235$$ "

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:

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"

Q:

______fibre is used in making bullet proof vests.

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  • 1
    Nylon-66
    Correct
    Wrong
  • 2
    Terylene
    Correct
    Wrong
  • 3
    Kevlar
    Correct
    Wrong
  • 4
    Lexan
    Correct
    Wrong
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Answer : 3. "Kevlar"

Q:

Which of the following energy is most used in organic quantities?

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  • 1
    Solar Energy
    Correct
    Wrong
  • 2
    Petroleum Energy
    Correct
    Wrong
  • 3
    Atomic Energy
    Correct
    Wrong
  • 4
    Coal Energy
    Correct
    Wrong
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Answer : 1. "Solar Energy"

Q:

Alpha particles are ___________.

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  • 1
    twice the mass of beta particles
    Correct
    Wrong
  • 2
    negatively charged
    Correct
    Wrong
  • 3
    just like helium nuclei
    Correct
    Wrong
  • 4
    lower in ionizing power as compared to gamma rays
    Correct
    Wrong
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Answer : 3. "just like helium nuclei"

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