Question

physical or chemical change
1. Heating the mixture of iron and sulphur
2. Ripening of fruits
3. Rusting of iron
4. Boiling of water to form steam

Answer 1

1,2,3 are tbe chemicals change
4 is physical change

Answer 2

1. Chemical change
2. Chemical change
3. Chemical change
4. Physical change

hope this helps you.....