Coal and Petroleum-Sample Papers

1.   Expand CNG and write its uses. (3)

2.   What is the main component of CNG and LPG. (2)

3.   Write two uses of coke. (2)

4.   What happens when wood is heated in absence of air? (2)

5.   Why coal and petroleum are called fossil fuels? (3)

6.   How does coal formation takes place in nature? (4)

7.   What are the components of petroleum? Write its uses. (4)

8.   Explain advises given by PCRA for saving petrol and diesel. (4)

9.   What are natural resources? Classify them. Write examples. (5)

10.   What are petrochemicals? (1)