Question

a ______process in which a
substance reacts with ______
to give off heat iscalled its combustion.​

Answer 1

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An exothermic process in which a substance reacts with oxygen to give off heat is called as combustion

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■ Combustion or burning is a chemical reaction in which a substance (element or compound) reacts with oxygen

■ It is a redox reaction in which the substance that is burning is oxidised and oxygen is reduced

■ We can give a number of examples for combustion in our daily lives

Answer 2

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• An exothermic process in which a substance reacts with oxygen to give off heat is called as combustion