The formula of a compound is A ↓3B. The valencies of A and B are respectively.
i) 1 and 2
ii) 3 and 1
iii) 1 and 3
iv) 3 and 2
Answers
Answered by
1
Answer:
1 and 3.......
Explanation:
.......
Answered by
0
Answer:
ii)3and 1 is a answer of this question
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