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in Air, Water and Soil by (46.6k points)
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1. Take a container and fill it one-fourth with water.

2. Light the candle and fix it in the middle of the container and cover it with an inverted glass as shown in figure.

3. Immediately, mark the level of water in the glass.

4. After sometime, observe the candle and the level of water in the glass.

Observation – The candle blows out and the level of water in the glass increases.

1. Why did this happen?

1 Answer

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Best answer

We know that oxygen is a supporter of combustion, oxygen present inside the glass is used for burning of candle, when the oxygen present in the glass is used up by the burning candle, it can no longer bum and blows out and the water occupies the empty space. So, water rises up in the glass once the candle blows out.

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