No. | Changes | Type |
1. | Sharpening of pencil | Physical, reversible |
2. | Evaporation of water | Physical, irreversible |
3. | Opening of a bud | Chemical irreversible |
4. | Rusting of iron | Chemical reversible |
A) 2 and 3 only
B) 3 and 4 only
C) 1 and 4 only
D) 3 only
Correct Answer: D
Solution :
Opening of a bud is a chemical and irreversible process.You need to login to perform this action.
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