Question

Classify the following changes into more than one category.

1. Burning of an incense-stick

2. Freezing of water

3. Formation of biogas from cow dung

4. Bursting of a balloon

5. Heating of sugar in a pan

6. Lighting of electric bulb.

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Answer 1

Answer:

yes

Explanation:

1.solid to gas.

2.liquid ti solid.

3.semi-solid to gas.

4.solid to gas.

5.solid to liquid.

6.electrical reaction.

Answer 2

Answer:

solid to gas

liquid to solid

solid to gas

solid to liquid

electrical reaction