Chemistry Questions Practice Question and Answer

Q:

In which of the following chlorine has + 1 oxidation number?

1165 0

  • 1
    Zinc chloride
    Correct
    Wrong
  • 2
    Chlorine
    Correct
    Wrong
  • 3
    Hypochlorous acid
    Correct
    Wrong
  • 4
    Hydrochloric acid
    Correct
    Wrong
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Answer : 3. "Hypochlorous acid"

Q:

Potassium nitrate is used in

1107 0

  • 1
    medicine
    Correct
    Wrong
  • 2
    salt
    Correct
    Wrong
  • 3
    glass
    Correct
    Wrong
  • 4
    fertiliser
    Correct
    Wrong
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Answer : 4. "fertiliser"

Q:

The maximum number of electrons that can be accommodated in M shell is:

1098 0

  • 1
    8
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 3. "18"

Q:

Atomic number of which of the following elements is greater than that of Copper?

1038 0

  • 1
    Zinc
    Correct
    Wrong
  • 2
    Manganese
    Correct
    Wrong
  • 3
    Iron
    Correct
    Wrong
  • 4
    Chromium
    Correct
    Wrong
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Answer : 1. "Zinc"

Q:

Gasohol is – 

1010 0

  • 1
    Any gas dissolved in alcohol
    Correct
    Wrong
  • 2
    Ethyl alcohol + Kerosene oil
    Correct
    Wrong
  • 3
    Ethyl alcohol + Petrol
    Correct
    Wrong
  • 4
    Natural Gas + Ethyl alcohol
    Correct
    Wrong
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Answer : 3. "Ethyl alcohol + Petrol "

Q:

Water gas is the mixture of 

1002 0

  • 1
    carbon dioxide and hydrogen
    Correct
    Wrong
  • 2
    carbon monoxide and hydrogen
    Correct
    Wrong
  • 3
    carbon dioxide and nitrogen
    Correct
    Wrong
  • 4
    carbon monoxide and nitrogen bear
    Correct
    Wrong
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Answer : 2. "carbon monoxide and hydrogen "

Q:

If the pH value of a substance is lower than 7, it would be considered as–

998 0

  • 1
    Neutral
    Correct
    Wrong
  • 2
    Base
    Correct
    Wrong
  • 3
    Acid
    Correct
    Wrong
  • 4
    Ion
    Correct
    Wrong
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Answer : 3. "Acid"

Q:

The anode in a dry cell consists of 

955 0

  • 1
    Cadmium
    Correct
    Wrong
  • 2
    Graphite
    Correct
    Wrong
  • 3
    Copper
    Correct
    Wrong
  • 4
    Zinc
    Correct
    Wrong
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Answer : 4. "Zinc "

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