(i) Which out of the following gases is NOT a constituent of air:
(A) O2
(B) N2
(C) CO2
(D) Cl2
Answers
Answered by
10
Explanation:
I think the answer is
(D) Cl2
Answered by
3
Answer:
cl2 is correct answer
Explanation:
D. CL2 is correct my friend
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