Fire and properties of flame — task. Science CBSE, Class 8.

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Choose the correct answer:

1. The wax reacts with atmospheric _______ and forms ________.

Oxygen and Carbon dioxide
Oxygen and Carbon monoxide
Oxygen and Nitrogen

2. __________ is where convection takes place in the candle.

Heat from wick is carried to the wax
Vapours from the wick heats the air surrounding the candle
Emission of heat rays

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