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This question belongs to Chemistry GK Chapter Wise Thermochemistry

Thermochemistry

?

Combustion of a candle is

A) physical change B) reduction reaction C) endothermic reaction D) exothermic reaction

Answer & Solution

Correct Answer: Option A

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Question posted by Examveda

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2 Comments

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Sheikh Bilal 4 months ago

If combustion means burning in presence of oxygen this is hell in no way a physical change.it is better an exothermic reaction

Ramanath Chandra 4 months ago

The answer should be exothermic reaction, because combustion of a candle(wax) is a reaction between hydrocarbons and oxygen which yelds carbon dioxide, water and heat. Also there physical change occurs, wax melts by the heat produces in the reaction which is a physical change.

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