Question

Melting of wax and burning of coal are which kind of changes​

Answer 1

Answer:

chemical change

both because it can not reused so it is chemical change

thanks

Answer 2

Answer:

melting of wax is a physical change

burning of coal is a chemical change

Explanation:

melting of wax is a physical change because its reversible and do not make any new substance .

burning of coal is a chemical change because its irreversible and make new substance .

have a good day