Chemistry MCQs with answers Page - 11

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 method of concentrating the ore which makes use of the difference in density between ore and impurities is called

  • (A) liquation
  • (B) leaching
  • (C) levigation
  • (D) magnetic separation

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Q. The inert gases are ____ in water.

  • (A) sparingly soluble
  • (B) insoluble
  • (C) soluble
  • (D) None of these

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Q. The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of

  • (A) atomic structure
  • (B) metallurgy
  • (C) periodic table of contents
  • (D) discovery of elements

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Q. Ozone layer of atmosphere absorbs:

  • (A) Ultraviolet rays
  • (B) Infra-red rays
  • (C) All radiations of Light
  • (D) Cosmic rays.

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Q. The most abundant constituent of atmospheric air is :

  • (A) Carbon
  • (B) Hydrogen
  • (C) Oxygen
  • (D) Nitrogen

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Q. The major constituent of air is

  • (A) Nitrogen
  • (B) Carbon dioxide
  • (C) Oxygen
  • (D) Hydrogen

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Q. Which one of the following is not a micro – nutrient ?

  • (A) Molybdenum
  • (B) Magnesium
  • (C) Chloride
  • (D) Manganese

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