Question

how can we identify by a chemical equation whether a precipitate formed or a gas liberated in a reaction

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Answer 1

Answer:

2CuSO

4

+4KI⟶2CuI+I

2

+2K

2

SO

4

No. of Atom

No. of Atom

Cu

2

2

S

2

2

O

8

8

K

4

4

I

4

4

Answer 2

if in a solution it colours become whitish then it is called precipitated

if in a solution it ends with CO2 then it is called that some gas is liberated