Chemistry

  1. Low heating capacity of which of the following types of coal reduces its value as an industrial fuel?
    (A) Anthracite
    (B) Bituminous coal
    (C) · Lignite
    (D) Peat;

  2. Petrology deals with which of the following?
    (A) Study of the petroleum products
    (B) Study of petroleum-related market economy
    (C) Study of rocks in the earth's crust
    (D) Study of the formation of soils
  3. Show Answer (C) Study of rocks in the earth's crust

  4. Which is the only non metal that is a good conductor of electricity
    (A) graphite
    (B) phosphorous
    (C) sulphur
    (D) hydrogen

  5. Containers for carrying strong acids are made of
    (A) Platinum
    (B) brass
    (C) copper
    (D) lead

  6. Metal which exhibit photoelectric effect
    (A) Caesium
    (B) Sulphur
    (C) Nitrogen
    (D) Sodium

  7. Lamp black is a soft allotrope of which element
    (A) Sulphur
    (B) Nitrogen
    (C) Lead
    (D) Carbon

  8. Which compound is known as carbolic acid?
    (A) Benzene
    (B) Toluene
    (C) Phenol
    (D) None of these

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

  11. A gas that cannot be collected over water is
    (A) nitrogen
    (B) Oxygen
    (C) Sulphur dioxide
    (D) None of these
  12. Show Answer (C) Sulphur dioxide

  13. The element common to all acids is
    (A) carbon
    (B) hydrogen
    (C) oxygen
    (D) sulphur

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