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Sarah Chabra
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Asked: 2021-09-10T10:41:53+00:00 In:

When iron nails are placed in copper sulphate solution, the colour of the copper sulphate solution changes to

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Poll Results

25%(a) Blue ( 1 voter )
75%(b) Green ( 3 voters )
0%(c) Yellow
0%(d) Red
Based On 4 Votes

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    1 Answer

    1. (b) Green

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