Chemistry MCQs with answers Page - 18

Here, you will find a collection of MCQ questions on Chemistry. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. The metal chiefly used for galvanising iron is :

  • (A) Zinc
  • (B) Mercury
  • (C) Cadmium
  • (D) Tin

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Q. When a spoon is to be electroplated with nickel the spoon is

  • (A) Dipped in a nickel sulphate solution
  • (B) Made anode and a pure nickel rod, the cathode
  • (C) Made cathode and a pure nickel red, the anode
  • (D) Coated with nickel sulphate and dried

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Q. Conversion of chemical energy into electrical energy occurs in

  • (A) Atomic bombs
  • (B) Dynamo
  • (C) A battery
  • (D) Electric heaters

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Q. The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :

  • (A) Zinc plating
  • (B) Alloy formation
  • (C) Vulcanization
  • (D) Galvanization

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Q. Galvanization of iron is carried out using

  • (A) Zinc
  • (B) Tin
  • (C) Copper
  • (D) Chromium

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Q. The working of a dry cell is based on

  • (A) Decomposition reaction
  • (B) Spontaneous oxidation-reduction reaction
  • (C) Combination reaction
  • (D) Electrolysis

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Q. Galvanization is the :

  • (A) Deposition of zinc on iron
  • (B) Deposition of tin on iron
  • (C) Deposition of copper on iron
  • (D) Deposition of aluminium on iron

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Q. Which one of the following metals is used to galvanise iron ?

  • (A) Copper
  • (B) Lead
  • (C) Zinc
  • (D) Mercury

A

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Q. A non-electronic conductor is

  • (A) Iron
  • (B) Gas Carbon
  • (C) Copper Sulphate
  • (D) None of these

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