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Question
What happens when a zinc strip is dipped into a copper sulphate solution?
Name the type of reaction involved.
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Solution
When zinc strip is dipped into copper sulphate solution, it displaces copper from its solution because zinc is more reactive than copper.
It is a displacement reaction.
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| \[\ce{ZnCO3_{(s)} + ->[Heat]ZnO_{(s)} + CO2_{(g)}}\] | Neutralization |
| C2H4(g) + 4O2(g) → 2CO2(g) + 2H2 O(g) + Heat | Thermal decomposition |
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\[\ce{CuSO4 (aq) + Pb (s) -> \underline{}\underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}\underline{}}\]
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State the change in colour observed in following case mentioning the reason:
A piece of zinc is dipped in ferrous sulphate solution.
