What is a Fuel?

Author:Madhya Pradesh Board
8th Madhya Pradesh Board
IMPORTANT

What is a Fuel?: Overview

This topic describes fuel. It also lists the features of good fuel. It includes an activity to group the fuels as solid, liquid and gaseous fuels. Fuel is a substance that reacts with other substances so that it releases energy as heat energy

Important Questions on What is a Fuel?

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IMPORTANT
SCIENCE TEXTBOOK FOR CLASS VIII>Combustion and Flame>What is a Fuel?> Q 1

Fuel must be heated to its _____ before it starts burning.

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SCIENCE TEXTBOOK FOR CLASS VIII>Combustion and Flame>What is a Fuel?> Q 2

A liquid fuel used in home is _____. (glycerine / kerosene)

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SCIENCE TEXTBOOK FOR CLASS VIII>Combustion and Flame>What is a Fuel?> Q 3

Give reason, paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.

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SCIENCE TEXTBOOK FOR CLASS VIII>Combustion and Flame>What is a Fuel?> Q 4

Give reason, LPG is a better domestic fuel than wood.

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SCIENCE TEXTBOOK FOR CLASS VIII>Combustion and Flame>What is a Fuel?> Q 5

Compare LPG and wood as fuels.

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SCIENCE TEXTBOOK FOR CLASS VIII>Combustion and Flame>What is a Fuel?> Q 6

It is difficult to burn a heap of green leaves but dry leaves catch fire easily. Explain.