Chemical Process Industries MCQs with answers Page - 3

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

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Q. Which of the following is an ore of iron?

  • (A) bauxite
  • (B) hematite
  • (C) chalcopyrite
  • (D) galena

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Q. Which of the following is not a raw material used for the manufacture of ordinary glass?

  • (A) silica
  • (B) iron oxide
  • (C) soda ash
  • (D) limestone

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Q. Which glass is usually used in optical work?

  • (A) lead glass
  • (B) fibre glass
  • (C) high silica (borosilicate) glass
  • (D) photo sensitive glass

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Q. Sulphur removal by heating of pyrite ore in presence of air is called its

  • (A) smelting
  • (B) calcinations
  • (C) roasting
  • (D) reduction

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Q. Lime and soda ash are added to water to remove

  • (A) its corrosiveness
  • (B) bacteria
  • (C) undesirable taste and odour
  • (D) bicarbonates and sulphates of calcium and magnesium

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Q. Trinitrotoluene (TNT) is

  • (A) used in dye manufactures
  • (B) used in glycerine manufacture
  • (C) an explosive
  • (D) none of these

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Q. Hydrazine (N2H4) is mainly used as a/an

  • (A) detergents additive
  • (B) explosive
  • (C) rocket fuel
  • (D) none of these

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Q. Enamels

  • (A) do not contain pigment
  • (B) are prepared from non drying oil
  • (C) are same as varnish
  • (D) give good glossy finish

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Q. Gypsum is chemically

  • (A) calcium sulphate
  • (B) calcium chloride
  • (C) potassium sulphate
  • (D) sodium sulphate

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Q. The biochemical treatment applied to sewage effluents is a process of

  • (A) polymerisation
  • (B) oxidation
  • (C) reduction
  • (D) dehydration

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