changes in materials when covered with the drinking glass. materials:candle and paper
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changes in materials when covered with the drinking glass. materials:candle and paper
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Answer:
What change happened to the material of candle?
When you light a candle, the heat of the flame melts the wax near the wick. This liquid wax is then drawn up the wick by capillary action. The heat of the flame vaporizes the liquid wax (turns it into a hot gas), and starts to break down the hydrocarbons into molecules of hydrogen and carbon.
What have you observed in the burning candle when it is covered?
What happens if you cover a lit candle in a water basin with a glass? The glass becomes foggy on the inside and the flame fades and eventually goes out. Then the water level in the glass rises. The burning candle produces carbon dioxide and water in the form of water vapor
Explanation:
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