Q10 of 38 Page 30

Choose the incorrect statement from the following. Forest fires are usually due to:

Forest fires occur because of the rise in temperature in the particular area. Wood catches fire easily and thus, the entire forest is burnt. Cutting of trees does not produce heat.

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The substance expected to have the highest ignition temperature out of the following is

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Choose the correct statement about inflammable substances from the following. They have:

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The calorific value of a fuel is expressed in a unit called

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In villages, people use wood as fuel because: