Question

a D. 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

No.4 burning of a candle

Answer 2

Answer:

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Explanation:

1. Melting of wax - Physical

2. Magnetization of iron - Physical

3. Digestion of food - Chemical

4. Burning of a candle - Chemical

5. Sublimation of iodine - Physical

6. Rusting of iron  - Chemical

7. Stretching a rubber band - Physical

8. Burning of a piece of magnesium ribbon​ - Chemical