Question

3. Classify following as physical or chemical change
digestion of food, burning of wood, photosynthesis, boiling of water, cooking of
food​

Answer 1

Answer:

chemical: digestion of food, photosynthesis

physical: burning of wood, boiling of water and cookung if food

Explanation:

i hope it helps

Answer 2

Answer:

1. chemical change 2. chemical change 3. chemical change 4. physical change 5.chemical change.

Explanation:

A chemical change is a change that can't be reversed to it's previous form, and a physical change is when the change can be reversed to it's previous form.