physical changes and chemical changes
melting of wax
burning of wood
digestion of food
candle buring
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2
Explanation:
Answer: In burning of candle some of the wax melts, which is physical change, while most of the wax burnt, which is a chemical change. In the burning of wood, water present in wood changes into vapour, this is physical change, while burning of wood is a chemical change.
Answered by
1
Explanation:
1) physical change
2) chemical change
3) chemical change
4) both physical and chemical change
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