FIND BOOK SOLUTIONS

IMPORTANT QUESTIONS

1. .Explain why fossil fuels are exhaustible natural resources.

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2. Tick True/False against the following statements (d) Coal tar is a mixture of various substances.

   • a. True
   • b. False

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3. Tick True/False against the following statements c) Coke is the almost pure form of carbon.

   • a. True
   • b. False

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4. Tick True/False against the following statements :<br>CNG is more polluting fuel than petrol

   • a. True
   • b. False

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5. Tick True/False against the following statements. Fossil fuels can be made in the laboratory.

   • a. True
   • b. False

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6. Fill in the blanks c) Least polluting fuel for a vehicle is <u>______<u> .

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7. Fill in the blanks (b) Process of separation of different constituents from petroleum is called <u>______<u> .

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8. Fill in the blanks. (a) Fossil fuels are  <u>______<u>. , <u>______<u> and <u>______<u> .

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9. Describe how coal is formed from dead vegetation. What is this process called?

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10. Name the petroleum product used for surfacing of roads.

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