Match Column $A$ with Column $B$:
Column $A$ Column $B$
$(1) \ NiCl_2 \cdot 6H_2O$ $(a) \ \text{Pink}$
$(2) \ Co(NO_3)_2 \cdot 6H_2O$ $(b) \ \text{Colorless}$
$(3) \ FeCl_3$ $(c) \ \text{Blue}$
$(4) \ CuSO_4 \cdot 5H_2O$ $(d) \ \text{Green}$
$(e) \ \text{Yellow}$

  • A
    $1$ $\rightarrow e, 2$ $\rightarrow c, 3$ $\rightarrow b, 4$ $\rightarrow a$
  • B
    $1$ $\rightarrow d, 2$ $\rightarrow c, 3$ $\rightarrow b, 4$ $\rightarrow e$
  • C
    $1$ $\rightarrow d, 2$ $\rightarrow a, 3$ $\rightarrow e, 4$ $\rightarrow b$
  • D
    $1$ $\rightarrow d, 2$ $\rightarrow a, 3$ $\rightarrow e, 4$ $\rightarrow c$

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