Chemistry

  1. To which of the following does petroleum belong?
    (A) Nitrate
    (B) Oxid
    (C) Fat
    (D) Hydrocarbon
  2. Show Answer (D) Hydrocarbon

  3. The acid used in tanning and printing industry is
    (A) Tannic acid
    (B) Benzoic acid
    (C) Hydrochloric acid
    (D) Phosphoric acid
  4. Show Answer (C) Hydrochloric acid

  5. Which type of fire extinguisher is used for petroleum fire ?
    (A) Foam type
    (B) Soda acid type
    (C) Powder type
    (D) None of these
  6. Show Answer (C) Powder type

  7. Which ~f the following countries of Europe share the principal coalfields of the world?
    (A) France; Netherlands; Poland and Sweden
    (B) Belgium; France; Poland; U.K. and Germany
    (C) Poland; Norway; Sweden and Germany'
    (D) France; Norway; Netherlands and U.K.
  8. Show Answer (B) Belgium; France; Poland; U.K. and Germany

  9. Which element is excreted through human sweat?
    (A) sulphur
    (B) nitrogen
    (C) oxygen
    (D) lead

  10. The gas predominantly responsible for global warming is?
    (A) Carbon Monoxide
    (B) Carbon di Oxide
    (C) Sulphur di Oxide
    (D) Nitrous Oxide
  11. Show Answer (B) Carbon di Oxide

  12. What is oil of vitriol?
    (A) Sodium Chloride
    (B) Nitric Acid
    (C) Sulphuric Acid
    (D) Hydrochloric Acid
  13. Show Answer (C) Sulphuric Acid

  14. Solar cells are usually made from?
    (A) Sulphur
    (B) Silicon
    (C) Sodium
    (D) Strontium
  15. Show Answer (D) Strontium

  16. Which of the following types of coal 'contains over 90 percent carbon and is smokeless?
    (A) Anthracite
    (B) Peat
    (C) Lignite
    (D) Bituminous coal
  17. Show Answer (A) Anthracite

  18. Liquified Petroleum Gas (LPG) consists mainly of?
    (A) methane; butane; propane
    (B) ethane; hexane; nonane
    (C) hexane; hydrogen; ethane
    (D) propane; nonane; nitrogen
  19. Show Answer (A) methane; butane; propane

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