Fill in the blanks.
(a) A ……….. process in which a substance reacts with ……….. to give off heat is called combustion.
(b) When the clothes of a person catch ………… the person is covered with a …………… to extinguish fire.
(c) The ………….. temperature at which a substance catches fire is called its ………….. temperature.
(d) The substances which gave very ………….. ignition temperature and can easily catch fire with a flame are called …………. substances.
(e) The substances which vaporise during …………….. give flame.

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Updated on 31-Jan-2023 11:40:35

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