5. Mention two charac
ons is called an
substance
ange
LONG ANSWER TYPE QUESTIONS : Answer in 20-25 words
1. Classify the following changes in as many ways as possible :
(a) Growth of a tree (b) Burning of paper (c) Weathering of a rock (d) Making ice-cream
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2
Answer:
1. physical change
2. physical change
3. chemical change
4. chemical change
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