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Which are chemical processes? (1 rusting of a nail, 2 freezing of water, 3 decomposition of water into hydrogen and oxygen gases, 4 compression of oxygen gas)

a. 2,3,4
b. 1,3,4
c. 1,3
d. 1,2
e. 1,4?

1 Answer

7 votes
the answer is a hope it helps

User Sahil Manchanda
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