FIND BOOK SOLUTIONS

IMPORTANT QUESTIONS

1. Fill in the blanks. (b) A liquid fuel, used in homes is <u>_________</u>.

   Easy View solution
2. Fill in the blanks. (a) The burning of wood and coal causes <u>_________</u> of air.

   Easy View solution
3. List conditions under which combustion can take place.

   Easy View solution
4. The following table shows the total power shortage in India from 1993–1999. Show the data in the form of a graph. Plot shortage percentage for the years on the Y-axis and the year on the X-axis.

   Hard View solution
5. Explain the process of the formation of petroleum.

   Hard View solution
6. Describe the characteristics and uses of coke.

   Medium View solution
7. .Explain why fossil fuels are exhaustible natural resources.

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

   • a. True
   • b. False

   Easy View solution
9. Tick True/False against the following statements c) Coke is the almost pure form of carbon.

   • a. True
   • b. False

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

    • a. True
    • b. False

    Easy View solution