Question

Classify the following changes into physical and chemical changes,
1. Melting of wax
2. Magnetization of iron
3. Digestion of food
4. Burning of a candle
5. Sublimation of iodine
6. Rusting of iron
7. Stretching a rubber band
8. Burning of a piece of magnesium ribbon​

Answer 1

Answer:

1. Physical change
2. Physical change
3. Chemical change
4. Chemical change
5. Chemical change
6. Chemical change
7. Physical change
8. Chemical change

Answer 2

ANSWER

physical change- 1 , 2 and 7

chemical change- 3 , 4 , 5 , 6 and 8