Page 122 - Genius Kidz Prudence Learning Sc-8

4. Mark the Statements as True /False .

(a) Petroleum is a rock oil.
(b) Petroleum refining is done by fractional distillation.

5. “Jack is really upset because mother had told him that petroleum is near to its finishing line”. How
can jack help in the matter? Why are our efficient and valuable fuels getting depleted day by day ?
Can we conserve them? If yes, how ? Suzi has heard about P C R A.....what is this agency.....?

6. Give qualities and characteristics of a good fuel.

7. What can be the possible substitution for petrol since the crude oil is depleting rapidly.

8. Find out about biogas. How is it obtained and what are its uses?

9. Give names of top five coal and petrol producing countries in the world.

10. Find out the location of major thermal power plants in India. Give reasons why they are located
there?

11. Very short answer type questions.
(a) Write down the composition of natural gas.
(b) What is petroleum refining?

(c) Where are fields of natural gas situated in India?

12. Short answer type questions.
(a) Write down the different uses of coal and petroleum.

(b) Differentiate between exhaustible and inexhaustible resources.
(c) Write a note on different types of coal.
(d) Describe characteristics and uses of coke.

13. Long answer type questions:

Write a detailed note on :
(i) Petroleum
(ii) Natural gas

(iii) Coal

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