Question

WHAT DO U OBSERVER WHEN ;
1. H2S gas is passed through copper sulphate solution.
2. barium chloride is added to sodium sulphate solution.
2.water is added to quicklime .
4. sodium chloride solution is added to silver nitrate solution.

Answer 1

Answer:

I think that I 4 is the good example and common example that we see in the ground t

Answer 2

Answer:

1) H2 displaced Cu

2) double displacement

3) solution turns milky white.

4) double displacement

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