Chemistry Practice Question and Answer

Q:

Ant stings occur in?

904 0

  • 1
    oxide acid
    Correct
    Wrong
  • 2
    Formic acid
    Correct
    Wrong
  • 3
    lactic acid
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 2. "Formic acid"

Q:

Who was the inventor of positron?

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  • 1
    Chadwick
    Correct
    Wrong
  • 2
    Anderson
    Correct
    Wrong
  • 3
    Rutherford
    Correct
    Wrong
  • 4
    J.J. Thomson
    Correct
    Wrong
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Answer : 2. "Anderson "

Q:

Which of the following is the conductor of nonmetal electricity?

903 0

  • 1
    graphite
    Correct
    Wrong
  • 2
    Copper
    Correct
    Wrong
  • 3
    Sulfur
    Correct
    Wrong
  • 4
    diamond
    Correct
    Wrong
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Answer : 1. "graphite"

Q:

What is the basic element of all organic compounds?

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  • 1
    Nitrogen
    Correct
    Wrong
  • 2
    Oxygen
    Correct
    Wrong
  • 3
    Carbon
    Correct
    Wrong
  • 4
    Sulfur
    Correct
    Wrong
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Answer : 3. "Carbon"

Q:

Diamond has the nature of chemical bond?

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  • 1
    Ionic
    Correct
    Wrong
  • 2
    Metallic
    Correct
    Wrong
  • 3
    Deputy Co-ordinator
    Correct
    Wrong
  • 4
    covalent
    Correct
    Wrong
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Answer : 4. "covalent"

Q:

Which of the following is purified by Elevation method-

892 0

  • 1
    Naphthalene
    Correct
    Wrong
  • 2
    Ether
    Correct
    Wrong
  • 3
    Benzoic acid
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 1. "Naphthalene"

Q:

Which acid is used in lemons? 

886 0

  • 1
    Acetic acid
    Correct
    Wrong
  • 2
    Nitric acid
    Correct
    Wrong
  • 3
    Citric acid
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 3. "Citric acid "

Q:

Which of the following properties is not often present in organic compounds?

883 0

  • 1
    soluble in water
    Correct
    Wrong
  • 2
    low melting point
    Correct
    Wrong
  • 3
    flammability
    Correct
    Wrong
  • 4
    all
    Correct
    Wrong
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Answer : 1. "soluble in water"

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