CBSE Class 9 Answered
Write any three differences between chemical change and physical change.
Asked by Topperlearning User | 08 May, 2014, 09:40: AM
Expert Answer
Physical change |
Chemical change |
(i) No new product is formed. |
(i) New products are formed. |
(ii) It is a temporary change. |
(ii) It is a permanent change. |
(iii) The mass of substance does not alter in this change. |
(iii) The mass of substance does alter in this change. |
(iv) Examples : Melting of wax, cutting of wood. |
(iv) Example : Rusting of iron, burning of a cracker. |
Answered by | 08 May, 2014, 11:40: AM
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