Question

what are the changes that occur when an incense stick is burned .​

Answer 1

Explanation:

When an incense stick is burnt new substances ash and smoke are produced. The incense stick cannot be produced from the residues again. Hence it is a chemical change because it goes through a chemical reaction and is irreversible while physical changes are reversible.

Answer 2

Answer:

first of all it's a chemical reaction

change- there will be a lot of fragrance around