Chemistry Practice Question and Answer

Q:

An acid must contain mainly one atom which reacts with the metal to produce a gas.

790 0

  • 1
    Hydrogen
    Correct
    Wrong
  • 2
    oxygen
    Correct
    Wrong
  • 3
    Nitrogen
    Correct
    Wrong
  • 4
    Ammonia
    Correct
    Wrong
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Answer : 1. "Hydrogen"

Q:

Which of the following drugs is used to treat indigestion?

790 0

  • 1
    Antacid
    Correct
    Wrong
  • 2
    Antibiotic
    Correct
    Wrong
  • 3
    Analgesic
    Correct
    Wrong
  • 4
    Antiseptic
    Correct
    Wrong
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Answer : 1. "Antacid"

Q:

What are the substances that participate in a reaction?

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  • 1
    consideration
    Correct
    Wrong
  • 2
    Deductive
    Correct
    Wrong
  • 3
    reactants
    Correct
    Wrong
  • 4
    Oxidizer
    Correct
    Wrong
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Answer : 3. "reactants"

Q:

Which of the following is not oxidized?

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  • 1
    combustion
    Correct
    Wrong
  • 2
    precipitation
    Correct
    Wrong
  • 3
    Digestion of food
    Correct
    Wrong
  • 4
    Respiration
    Correct
    Wrong
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Answer : 2. "precipitation"

Q:

Which acid is in tamarind?

788 0

  • 1
    Methanoic acid
    Correct
    Wrong
  • 2
    Tartaric acid
    Correct
    Wrong
  • 3
    lactic acid
    Correct
    Wrong
  • 4
    Oxalic acid
    Correct
    Wrong
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Answer : 2. "Tartaric acid"

Q:

Which of the following metals are kept immersed in kerosene?

787 0

  • 1
    Sodium
    Correct
    Wrong
  • 2
    Magnesium
    Correct
    Wrong
  • 3
    Zinc
    Correct
    Wrong
  • 4
    all
    Correct
    Wrong
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Answer : 1. "Sodium"

Q:

What is the common name of CaoCl2?

785 0

  • 1
    Washing Soda
    Correct
    Wrong
  • 2
    Bleaching Powder
    Correct
    Wrong
  • 3
    Baking Powder
    Correct
    Wrong
  • 4
    Baking Soda
    Correct
    Wrong
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Answer : 2. "Bleaching Powder "

Q:

The catalyst is a substance through which the rates of chemical reactions ________.

784 0

  • 1
    Decreases
    Correct
    Wrong
  • 2
    Changes
    Correct
    Wrong
  • 3
    Increases
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Increases "

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