Question

Fill in the blanks with the correct words.
1. Kerosene, petrol, diesel and fuel oil are examples of
(solid/liquid) fuels.
2
(Fuels/Fossils) are substances that produce heat and light energy on burning.
3.
(Anthracite/Lignite) is the highest grade of coal.
(LPG/Hydrogen) has the highest calorific value.
5.
(Kerosene/Fuel Oil) is used as a fuel in power stations and ships.
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Answer 1

Answer:

1) liquid

2)fuels

3) anthracite

4) hydrogen

5) kerosene