1. Objective type questions. A. Fill in the blanks. 1. Melting of candle wax is a (physical/chemical) change. (reversible/irreversible) and 2. Blooming of flowers is a/an (physical/chemical change. 3. Baking is an example of 4. Making jewellery out of gold is 5. (Heating/Cooling) causes water to change into steam. (physical/chemical) change, (physical/chemical) change,
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Answer: melting of candle is a physical and chemical change both as its physical when it's burning and it's chemical when it's wax is melted. hence the wick of candle
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1 physical change
2 irreversible change
3 chemical
5 heating
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