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    MCQ GK Test on Material Science - Set 07

    GK Practice Test: Question Set - 07

    1. Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
      (A) Television
      (B) Refrigerator
      (C) Tube light
      (D) Cooking gas

    2. Bell metal is an alloy of
      (A) Nickel and copper
      (B) Zinc and copper
      (C) Brass and nickel
      (D) Tin and copper

    3. Water is a good solvent of ionic salts because
      (A) It has a high specific heat
      (B) It has no colour
      (C) It has a high dipole moment
      (D) It has a high boiling point

    4. The main constituents of pearls are
      (A) Calcium oxide and ammonium chloride
      (B) Calcium carbonate and magnesium carbonate
      (C) Aragonite and conchiolin
      (D) Ammonium sulphate and sodium carbonate

    5. Which of the following is the lightest metal?
      (A) Mercury
      (B) Lithium
      (C) Lead
      (D) Silver

    6. Which of the following is an element?
      (A) Ruby
      (B) Sapphire
      (C) Emerald
      (D) Diamond

    7. Gypsum is added to cement clinker to
      (A) Increase the tensile strength of cement
      (B) Decrease the rate of setting of cement
      (C) Facilitate the formation of colloidal gel
      (D) Bind the particles of calcium silicate

    8. Which one of the following is the petroleum wax?
      (A) Paraffin wax
      (B) Jonoba wax
      (C) Carnauba wax
      (D) Bees wax

    9. Which is/are the important raw material(s) required in cement industry?
      (A) Gypsum and Clay
      (B) Clay
      (C) Limestone and Clay
      (D) Limestone

    10. Detergents used for cleaning clothes and utensils contain?
      (A) Bicarbonates
      (B) Bismuthates
      (C) Sulphonates
      (D) Nitrates

    11. Which of the following is commonly called a 'polyamide'?
      (A) Terylene
      (B) Nylon
      (C) Rayon
      (D) Orlon

    12. Epoxy resins are used as
      (A) Detergents
      (B) Insecticides
      (C) Adhesives
      (D) Moth repellents

    13. Wood is the main raw material for the manufacture of
      (A) Paint
      (B) Paper
      (C) Ink
      (D) Gun powder

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    Item Reviewed: MCQ GK Test on Material Science - Set 07 Rating: 5 Reviewed By: Pranab Debnath
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