Question

match the following.
Column A
1. iron oxide
2. naphthalene
3. melting
4. cutting cloth
5. clock striking
6. respiration
7. burning paper
8. growth of a tree
Column B
i. sublimation
ii. physical change
iii. rust
iv. fast change
chemical change
vi. periodic change
vii. irreversible change
viii. slow change
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Answer 1

Explanation:

1 iii

2 i

3 ii

4 vii

5 vi

6 iv

7 v

8 viii