Coal and Petroleum Worksheet-2

Coal and Petroleum Worksheet-2

1. Which fraction of petroleum has highest boiling point?

(a) Kerosene     (b) Gasoline      (c) Ether            (d) Gas oil

2. Which of the following is used as fuel?

(a) Gasoline      (b) Ether            (c) Pitch tar       (d) Grease

3. Coal is formed by the process of:

(a) carbonisation                          (b) distillation

(c) vapourisation                          (d) evaporation

4. ____ has the lowest percentage of carbon.

(a) Lignite                                      (b) Bituminous

(c) Anthracite                                (d) Peat

5. ____ has the highest percentage of carbon.

(a) Anthracite                               (b) Bituminous

(c) Peat                                           (d) Lignite

6. ____ is the common variety of coal used in household.

(a) Anthracite                               (b) Bituminous

(c) Peat                                           (d) Lignite

7. Fuels burn to produce heat, light and ______

(a) CO₂ + water vapour              (b) CO + O₂

(c) CO₂ + H₂                                 (d) CO + H₂          

8. Fuels combine with _____ to produce heat and light.

(a) CO₂               (b) CO                (c) O₂                  (d) H₂

9. Fuels are present in which of the following forms?

(a) Solids           (b) Liquids        (c) Gases            (d) All of these

10. The fuels which leave smoke and ash on burning are:

(a) solid fuels                                (b) liquid fuels

(c) gaseous fuels                           (d) none of these

Answer Key:

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