GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Combustion is the process in which
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No heat is produced
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No light is produced
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Only heat is produced
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Heat and light are produced
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Explanation:
Detailed explanation-1: -combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
Detailed explanation-2: -Combustion is a chemical process in which a substance reacts with oxygen and gives out energy. The energy released can be either in the form of heat or light or both. Rusting of iron is an exothermic process as heat is released during the process. Hence, it is a kind of slow combustion.
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