GK Practice Question and Answer

Q:

The major component of natural gas is-

1235 0

  • 1
    Methane
    Correct
    Wrong
  • 2
    Ethane
    Correct
    Wrong
  • 3
    Butane
    Correct
    Wrong
  • 4
    Hydrogen
    Correct
    Wrong
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Answer : 1. "Methane"

Q:

Maximum density of water is-

1384 0

  • 1
    0°C
    Correct
    Wrong
  • 2
    100°C
    Correct
    Wrong
  • 3
    25°C
    Correct
    Wrong
  • 4
    4°C
    Correct
    Wrong
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Answer : 4. "4°C"

Q:

Lightest metal is___

1623 0

  • 1
    Potassium
    Correct
    Wrong
  • 2
    Lithium
    Correct
    Wrong
  • 3
    Sodium
    Correct
    Wrong
  • 4
    Aluminum
    Correct
    Wrong
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Answer : 2. "Lithium"

Q:

The reason for permanent hardness of water is-

1287 0

  • 1
    Carbonates of calcium and magnesium
    Correct
    Wrong
  • 2
    Bicarbonates of calcium and magnesium
    Correct
    Wrong
  • 3
    Chloride and sulfate of calcium and magnesium
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Chloride and sulfate of calcium and magnesium"

Q:

Which chemical is used in making artificial rainfall?

1147 0

  • 1
    Sodium iodide
    Correct
    Wrong
  • 2
    Silver bromide
    Correct
    Wrong
  • 3
    Ethylene bromide
    Correct
    Wrong
  • 4
    Silver iodide
    Correct
    Wrong
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Answer : 4. "Silver iodide"

Q:

Wood objects are coated on them to protect them from insects.

1757 0

  • 1
    Zinc chloride
    Correct
    Wrong
  • 2
    Sodium chloride
    Correct
    Wrong
  • 3
    Ammonium chloride
    Correct
    Wrong
  • 4
    Silver bromide
    Correct
    Wrong
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Answer : 1. "Zinc chloride"

Q:

Nowadays yellow lamps are being used in abundance in street lights. Which of the following gas are used in these lamps?

1086 0

  • 1
    Sodium
    Correct
    Wrong
  • 2
    Neon
    Correct
    Wrong
  • 3
    Hydrogen
    Correct
    Wrong
  • 4
    Nitrogen
    Correct
    Wrong
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Answer : 1. "Sodium"

Q:

The tendency to receive electrons is called-

1259 0

  • 1
    Oxidation
    Correct
    Wrong
  • 2
    Reduction
    Correct
    Wrong
  • 3
    Catalysis
    Correct
    Wrong
  • 4
    Motivation
    Correct
    Wrong
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Answer : 2. "Reduction"

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