Coal and Petroleum Worksheet-1

Coal and Petroleum Worksheet-1

1. Which of the following is a fossil fuel?

(a) Petroleum   (b) Wood           (c) Cow dung    (d) Dry leaves

2. Which among the following is a dark coloured, viscous, strong smelling liquid?

(a) Kerosene     (b) Petrol           (c) Petroleum   (d) Alcohol

3. Natural gas occurs:

(a) above the petroleum oil

(b) below the petroleum oil

(c) along with the petroleum oil

(d) none of these

4. Crude oil is a complex mixture of:

(a) solid hydrocarbons                (b) liquid hydrocarbons

(c) gaseous hydrocarbons          (d) all of these

5. Petroleum is commonly called as:

(a) Black gold                                (b) Yellow gold

(c) Green gold                               (d) Blue gold

6. most common sources of energy are:

(a) wood and coal                        (b) petroleum and coal

(c) LPG and cow dung                (d) natural gas and coal

7. When an oil well is drilled through rocks ____ comes out first.

(a) coal gas        (b) marsh gas   (c) natural gas  (d) gas carbon

8. Petroleum is refined by:

(a) fractional distillation            (b) destructive distillation

(c) distillation                               (d) all of these

9. During fractional distillation the crude petroleum is heated to a temperature of about:

(a) 600°C                                       (b) 400-500°C

(c) 200°C                                       (d) 100°C

10. Fractional distillation is based on the property that:

(a) density of each fraction is different

(b) molecular weight of each fraction is different

(c) boiling point of each fraction is different

(d) melting point of each fraction is different

Answer Key:

(1)-(a); (2)-(c); (3)-(a); (4)-(d); (5)-(a); (6)-(b); (7)-(c); (8)-(a); (9)-(b); (10)-(c)