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Question

Among the following, the substance expected to have the highest ignition temperature is

A
Alcohol
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B
Coal
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C
Kerosene
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D
Petrol
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Solution

The correct option is B Coal
The minimum temperature at which a substance starts to burn is called ignition temperature. Different fuels have different ignition temperatures.The fuels that have low ignition temperature are highly inflammable and burn quickly at the spark of fire. While some fuels that have high ignition temperature do not burn quickly. They require heating to burn. Coal has the highest ignition temperature compared to other fuels.

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