Question

1.why chemical reaction take place
2.what is double displacement reaction
3.what happens zinc rod emerged in copper
sulphate solution write down a proper chemical reaction (balanced)
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Answer 1

Answer:

3)). displacement reaction take place

Explanation:

Zn + CuS04 ---- ZnS04+Cu

as zn is more reactive than cu

2))). Displacement rqn take place when a less reactive element displaced by more reactive element .

Answer 2

Answer:

This is your answer

Explanation:

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