GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of these reactions is a combustion reaction?
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production of food by plants with the help of the Sun’s energy
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rotting of fruits and vegetables
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burning wood
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None of the above
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Explanation:
Detailed explanation-1: -Answer: Burning of wood is a combustion reaction as it burns continuously when it caught fire in the presence of oxygen.
Detailed explanation-2: -The burning of wood is a chemical change as it leads to the formation of new substances like Carbon dioxide gas, water vapour, ash, etc.
Detailed explanation-3: -A combustion reaction is a chemical reaction in which a fuel undergoes oxidation by reacting with an oxidising agent, resulting in the release of energy (usually in the form of heat).
There is 1 question to complete.