Question

answer dooo McQ hai plz. ​

Answer 1

Answer:

al2(so4)3

Explanation:

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Answer 2

1- B) XY2-

X has 4 and Y has valency 2.

So the ratio of valencies of X and Y has 2:1

X Y

2 1

2- B)Al2(SO4)3

Aluminum sulfate, solution appears as a clear colorless aqueous solution. Noncombustible. Nontoxic. Density 10.9 lb / gal. Used in paper making, in firefighting foams, as a fireproofing agent, in sewage treatment and water purification