Q.12 Classify the following as physical or chemical change a) Burning of candle b) Mixing of Iron fillings and sand c) Boiling of water to form steam d) Dissolution of CO2 in water
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Answer:
a)chemical change
b)physical change
c)chemical change
Answered by
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Answer:
1) physical and chemical change
2)physical change
3)physical change
4) chemical change
Explanation:
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