1. Fill in the blank spaces by choosing correct words from the list given below : 1. Burning of coal is

1. Fill in the blank spaces by choosing correct words from the list given below :
1. Burning of coal is a _______change. 2. Distillation of petroleum to form petrol is a______ change. 3. Melting of wax near the wick of a candle is_______ change, but the burning of wax in the wick of the candle is ______change. 4. A mixture obtained on dissolving a solid in water is called ________5. Iron________ on heating.​


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