| Column I | Column II | ||
| (a) | Burning of wood | 1 | Physical change |
| (b) | Formation of day and night | 2 | Slow change |
| (c) | Curdling of milk | 3 | Periodic change |
| (d) | Melting of ice | 4 | Chemical change |
A) a-2, b-3, c-4, d-1
B) a-4, b-3, c-2, d-1
C) a-4, b-3, c-1, d-2
D) a-3, b-4, c-2, d-1
Correct Answer: B
Solution :
Burning of wood - chemical change Formation of day and night ? periodic change. Curdling of milk - slow change Melting of ice - physical change The correct combination is a-4, b-3, c-2, d-1
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