The colours of aqueous solutions of CuSO4 and FeSO4 as observed in the laboratory are:(a) Pale green and light blue respectively. (b) Light blue and dark green respectively.(c) Dark blue and dark green respectively. (d) Dark blue and pale green respectively.
Correct answer: (d) Dark blue and pale green respectively.
Explanation: Copper sulphate solution is blue in colour and iron sulphate solution is pale green coloured.
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