Is it true that all the combustible substances burn at the same temperature?

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True

False

answer is B.

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Detailed Solution

The above statement is false.
No, all combustible substances do not burn at the same temperature. Different substances need different temperatures to catch fire. All things do not burn at the same temperature, some have low ignition temperature. Some substances have high ignition temperature. When without spark or flame substances ignite is called ignition temperature.
The correct statement would be. that all the combustible substances do not burn at the same temperature.

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