Q6 of 38 Page 30

On placing an inverted tumbler over a burning candle, the flame extinguishes after some time. This is because of non-availability of

The main requirement for burning of any substance to continue is Oxygen. Without it, no substance can continue to burn. Thus, the flame extinguishes.

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Which of the following is not a combustible substance?

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The substance that does not burn with flame is

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