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Match the solutions given in Column I and the colours given in Column II.
\( \begin{array}{l} \text { Column I } \\ \text { (Aqueous solution } \\ \text { (i) } \mathrm{FeSO}_{4} \cdot 7 \mathrm{H}_{2} \mathrm{O}\end{array} \)
Column II
\( \mathrm{P} \)
(Colour)
W
(ii) \( \mathrm{NiCl}_{2} \cdot 4 \mathrm{H}_{2} \mathrm{O} \)
(a) Green
(iii) \( \mathrm{MnCl}_{2} \cdot 4 \mathrm{H}_{2} \mathrm{O} \)
(b) Light pink
(iv) \( \mathrm{CoCl}_{2} \cdot 6 \mathrm{H}_{2} \mathrm{O} \)
(c) Blue
(v) \( \mathrm{Cu}_{2} \mathrm{Cl}_{2} \)
(d) Pale green
(e) Pink
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