Question

Differentiate between the burning of a candle and burning of a coal.

Answer 1

Answer

• Coal does not burn with flame, But candle burns with flame. when we blow air to coal it starts burning, But candle stop burning if we blow air to it. Burning of coal is chemical change while burning of candle is physical as well as chemical change. coal is naturally available and is carbon based.

Answer 2

Explanation:

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

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