Question

What are the difference between the burning of a candle and the burning of a fuel in coal?

Answer 1

Answer:

Candle burns with a flame but coal burns with only a glow. This is because only substances that vapourize while burning gives flame. Thus candle burns with a flame because it vapourizes while burning and coal burns with a glow because it does not vapourize while burning.

Answer 2

Answer:

coal does not burn with flame , but candle burn with flame . When we blow air to coal it start's burning but when we blow air to candle it stop burning . burning of coal us a chemical change but burning of candle is both physical as well as chemical change. coal can be found naturally. candle is a man made thing.

Explanation:

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