State whether the following changes are physical or chemical and state your reason for your choice. P or C These are the ones I'm confused on. 2. Sulphur is burned 3. Gasoline explodes 4. A match is s

State whether the following changes are physical or chemical and state your reason for your choice.

P or C

These are the ones I'm confused on.

2. Sulphur is burned

3. Gasoline explodes

4. A match is struck

5. Mercury is heated to produce mercury vapour

6. Copper sulphate dissolves in water

10. Silver tarnishes

11. Alcohol burns

12. Nail polish remover evaporates

15. An automobile tire ruptures

16. Sugar dissolves in tea

18. Carbon dioxide fizz leaves pop

19. Vinegar is added to baking soda

20. "Solid" room deodorizer gets smaller

21. Muddy water settle out

22.egg is fried

23.sand and salt water are filtered

24. Compost rots

25. Sleet forms

Sorry for how long it is there are a lot of questions these are the one I'm confused on