Chapter 5 – Coal and Petroleum
Assignment 1
Q.1. Name the petroleum product used for surfacing (or metalling) of roads.
Q.2. Name the most common fuel used in light motor vehicles.
Q.3. Write the full form of PCRA.
Q.4. Name the fuel which is used in jet aircraft engines.
Q.5. Name a fossil fuel other than coal and petroleum.
Q.6. Name the petroleum product used to drive heavy vehicles.
Q.7. Name the petroleum product which is commonly used for electric generators.
Q.8. What is the full form of LPG?
Q.9. Name three useful products of coal.
Q.10. Which product of coal is used as a reducing agent in the extraction of metals?
Q.11. Name the process by which plant material (or vegetation) buried deep under the earth was slowly converted into coal.
Q.12. Name the product of coal which is thick black liquid having an unpleasant smell.
Q.13. Name any five substances used in everyday life which are manufactured starting from the products of coal tar.
Q.14. Name an important source from which naphthalene balls are obtained.
Q.15. Is it possible to extract petroleum from under the sea bed?
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