Question

classify the following into physical and chemical change:-

1. cutting pf trees
2. rusting of almirah
3. boiling of water to steam
4. burning of papers
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Answer 1

Physical changes:

1.Cutting trees,

3.Boiling of water to steam,

Chemical changes:

2.Rusting of almirah,

4.Burning of papers...

Answer 2

Answer:

1.cutting of tress is a physical change.

2.rusting of almirah is a chemical change.

3.boiling of water to steam us a physical change.

4.burning of papers is a chemical change.