On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of the non-availability of:
A
oxygen
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B
water vapour
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C
carbon dioxide
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D
wax
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Solution
The correct option is A oxygen On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of the non-availability of oxygen. The main reason being that oxygen is needed for burning.