Chemistry MCQs with answers Page - 31

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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A

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Q. Which one of the following is not radioactive

  • (A) Tritium
  • (B) Francium
  • (C) Astanine
  • (D) Zirconium

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Q. What is the chemical name of bleaching powder?

  • (A) Calcium carbonate
  • (B) Calcium phosphate
  • (C) Calcium hypochlorite
  • (D) Calcium cynamide

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Q. Alloys in which mercury is one of the metals are called

  • (A) Emulsions
  • (B) Solders
  • (C) Amalgams
  • (D) Mixtures

A

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Q. Atomic weight of an element is given by

  • (A) only protons
  • (B) sum of neutrons and electrons
  • (C) only neutrons
  • (D) sum of neutrons and protons

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Q. In natural gas, the compounds present in major amounts are made up of
1.Sulphur
2.Carbon
3.Oxygen
4.Hydrogen The correct elments are

  • (A) 2 and 4
  • (B) 1 and 2
  • (C) 3 and 4
  • (D) 1 and 4

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Q. Cadmium rods are used in a nuclear reactor

  • (A) For promoting chain reaction
  • (B) For creating more neutrons
  • (C) For slowing down the neutrons
  • (D) For controlling the operation of the reactor

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Q. The compound that IS NOT responsible for acid rain is

  • (A) nitrogen pentoxide
  • (B) carbon monoxide
  • (C) sulphur dioxide
  • (D) nitrogen dioxide

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Q. Which of the following contains high content of lead?

  • (A) Coal
  • (B) Cooking gas
  • (C) High octane fuel
  • (D) Low octane fuel

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Q. Piped Natural Gas (PNG) is used for

  • (A) Mining
  • (B) Welding
  • (C) Anaesthesia
  • (D) Cooking

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