Identify the following as Physical change or
Chemical change:
1. Burning of wax 2. Formation of curd from milk
3. Melting of ice
4. Boiling of water
5. Heating of an iron nail
6. Rusting of iron
7. Burning of magnesium ribbon
8. Photosynthesis
9. Dissolving salt in water
10. Burning of coal
11. Crushing of a chalk
12. Digestion of food
13. Cutting a log of wood
14. Keeping iron filling in Copper sulphate
solution
15. Formation of manure from leaves
16. Stretching of a rubber band
17. Bursting of cracker
18. Crystallisation of Copper sulphate, solution
19. Adding a pinch of baking soda to vinegar
20. Passing carbon dioxide through limewater
21. Souring of milk 22. Beating aluminium to make aluminium foil
Answers
Answered by
2
Answer:
1) Chemical change
2) Chemical change
3) Physical change
4) Physical change
5) Chemical change
6) Chemical change
7) Chemical change
8) Physical change
9) Physical change
10) Chemical change
11) Physical change
12) Chemical change
13) Physical change
14) Chemical change
15) Chemical change
16) Physical change
17) Chemical change
18) Chemical change
19) Chemical change
20) Chemical change
21) Chemical change
22) Physical change
Answered by
1
C for chemical p for physical now 1. C 2. C 3. P 4.P 5.C 6.
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