On addition of which metal the blue coloured copper sulphate solution turns into colourless solution?
(1) Ag
(2) Hg
(3) Zn
(4) Au
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4 the option Au is correct
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Au is not the correct answer omkara
Au is less reactive than Cu
That's why it can't react with it
Among the options, only Zn can react with Cu
Hence, correct option is C i.e. Zn
Plz mark as "BRAINLIEST"
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