Answered

physical and chemical change
A ) Burning of magnesium in air
B) tarnishing of sliver spoon
3 ) sublimation of water
4) Electrolysis of water ​

Answer :

Tanyasurlia

Answer:

a. chemical change

b. chemical change

c.physical change

d. chemical change

japjeesaini

Explanation:

a,chemical change

b,chemical change

c,physical change

d,chemical change

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