Classify the following changes as physical or chemical. 1. boiling — 2. curdling of milk —

Question

Classify the following changes as physical or chemical.

1. boiling —

2. curdling of milk —

3. photosynthesis in plants —

4. melting of a solid (wax)

Answer 1

1. Physical changes

2.Chemical changes

3.Chemical changes

4.Physical changes