Coal and Petroleum Multiple Choice Questions and Answers

11. Petroleum is mixture of

1. Petrol
2. Diesel
3. Petroleum gas
4. All of these

12. Purest form of carbon is

1. Coal
2. Charcoal
3. Coke
4. All of these

13. Refining is

1. Extracting petroleum gas
2. Separation of various fractions of petroleum
3. Heating of coal
4. Sedimentation of fossil fuel

14. The characteristic of coal is

1. tough
2. Black in colour
3. Porous
4. All of these

15. The first oil well was drilled in

1. USA
2. USSR
3. UK
4. India

16. The layer containing petroleum oil & gas is

1. Above that of water
2. Below water
3. Between water and sand
4. Below sand

17. Water is a ..........

1. Natural substance
2. Man made substance
3. Both of these
4. None of these

18. When coal burns in air then

1. Carbon dioxide is formed
2. Sulphur dioxide is formed
3. Carbon monoxide is formed
4. Hydrogen gas is formed

19. When heated in air produces

1. Carbon monoxide
2. Carbon dioxide
3. Nitrogen dioxide
4. Oxygen

20. Which gas is obtained during the processing of coal?

1. Carbon dioxide
2. Coal gas
3. Carbon monoxide
4. Sulphur dioxide