Which one of the following is a chemical change? |
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(a) |
Cutting of hair |
(b) |
Graying of hair naturally |
|
(c) |
Swelling of resin in water |
(d) |
Cutting of fruit |
Which one of the following is a chemical change? |
|
|||
(a) |
Cutting of hair |
(b) |
Graying of hair naturally |
|
(c) |
Swelling of resin in water |
(d) |
Cutting of fruit |