We have kept a burning candle inside a closed glass chamber with oxygen inside it. After some time what do you think will be the change in the weight of the apparatus?

The weight will increase

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The weight will decrease

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There will be no change

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Cannot be determined

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Solution

The correct option is C
There will be no change

According to the law of conservation of mass, in a closed environment, the mass will be conserved. The initial weight of the whole apparatus will be conserved even after burning of candle, as it is a closed apparatus there is no entry of other gases and no escape of the gases so the weight will be constant

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