Note whether a gas or vapour is given away in the reaction
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Combustion and Flame, Class 8 Science Notes, Free Sample Questions and ... In factories, we use coal or fuel oil or natural gas. ... A combustion reaction maybe written as-.
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It depends on the type of RXn
For Eg.
Endothermic reactions will give out gases.
and, Exothermic reactions will give out vapours.
For Eg.
Endothermic reactions will give out gases.
and, Exothermic reactions will give out vapours.
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