Question : Combustion of a candle is an
Option 1: photochemical reaction
Option 2: physical change
Option 3: endothermic reaction
Option 4: exothermic reaction
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Correct Answer: exothermic reaction
Solution : The correct option is an exothermic reaction .
Candle combustion is an exothermic process. This indicates that energy is released in the form of heat and light. When the oxygen in the air interacts with the wax in a candle, carbon dioxide, water vapour and a considerable amount of heat energy are produced. Because of this, candles are utilized for warmth and illumination.
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Question : Which of the following is a characteristic of an exothermic reaction:
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