Question

Use Cordova Smart Class Software on the
6. Use public transport instead of priv.
7. Use pressure cooker for cooking.
smart board in class to do these exercises
EXERCISES
(c) air
(c) Coal
A. Tick() the correct options:
1. Which of the following is not an exhaustible natural resource?
(a) forest
(d) wildlife
O
O (b) minerals
2.
is a hard fossil fuel.
(a) Petroleum O (b) Natural gas
0 (d) Wood
3. Which of the following is not obtained by the destructive distillation of coal?
(a) coke O (b) petrol
(c) coal tar
O (d) ammoniacal liquor O
4. Which of the following is used as aviation fuel injet aeroplanes?
(a) coke O (b) petroleum O c
(c) CNG 0 (d) kerosene O
5. Which of the following is used for making road surfaces?
(a) fuel oil O (b) paraffin wax O (c) bitumen O (d) lubricating oil O
6. Which of the following is a renewable source of energy?
(a) hydroenergy O (b) coal 0 (c) natural gas O )
(d) petroleum o
7. Which of the following causes respiratory problems in humans?
(a) land pollution O (b) water pollution O (c) air pollution O (d) noise pollution
B. Fill in the blanks:
1. Coke is obtained by the
of coal.
is a constituent of petroleum and is used in making cosmetics.
3
is also known as 'black gold'.
4. CNG stands for
O
2.
5.
has a boiling point of 250 °C-350 °C.​

Answer 1

Answer:

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Explanation:

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