Fuel is a material that is burned in order to get heat and light and also to generate power. The
Process of burning is a chemical reaction. A material combines with oxygen from the air and gives
off energy. The energy is given off in the form of heat and light. Fuels can also be classified as
solid, liquid and gaseous. Wood was one of the first fuels used by man. It was the easiest and the
cheapest fuel.
After wood started becoming scarce, it was replaced by coal. Coal contains a high percentage of
carbon. Carbon is the most important ingredient in most fuels. Fuels with a high percentage of
carbon burn evenly and with a hot flame. The most important liquid fuels come from petroleum.
However, petroleum reserves are becoming exhausted with the passage of time.
Q.1 Give a suitable title to the passage
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The fossils
is the correct title to this passage
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3
Answer:
The most suitable title to this passage is :
"Importance and uses of fossil fuels".
Explanation:
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