Question

How can you show that wax vapours burn and not the molten wax when a candle burns by activity ??​

Answer 1

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• Blow out the candle and immediately bring a burning matchstick near the smoke. In case the smoke is not visible, hold the lit match above the wick.

• Observation: The flame from the match reignites the wick.

• Conclusion: When a candle is lit, it is the wax vapours that burn, not the liquid wax.

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Answer 2

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Blow out the candle and immediately bring a burning matchstick near the smoke. In case the smoke is not visible, hold the lit match above the wick.

Observation: The flame from the match reignites the wick.

Conclusion: When a candle is lit, it is the wax vapours that burn, not the liquid wax.