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Question
Match the examples of changes in List I with the correct type of change in List II.
| List I | List II |
| 1. Burning of paper | A: Physical change |
| 2. The ringing of an electric bell | B: Chemical change |
| 3. Curdling of milk | |
| 4. Electric light is switched on | |
| 5. Melting of butter |
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Solution
| List I | List II |
| 1. Burning of paper | B: Chemical change |
| 2. The ringing of an electric bell | A: Physical change |
| 3. Curdling of milk | B: Chemical change |
| 4. Electric light is switched on | A: Physical change |
| 5. Melting of butter | A: Physical change |
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