When hypo solution is added to cupric sulphate solution, the blue colour of the latter is discharged, due to formation of

\[N{{a}_{2}}{{S}_{4}}{{O}_{6}}\]

When hypo solution is added to cupric sulphate solution, the blue colo

1.	When hypo solution is added to cupric sulphate solution, the blue colour of the latter is discharged, due to formation of
A.	\[Cu{{S}_{2}}{{O}_{3}}\]
B.	\[N{{a}_{2}}{{S}_{4}}{{O}_{6}}\]
C.	\[NaCu{{S}_{2}}{{O}_{3}}\]
D.	\[C{{u}_{2}}O\]
Answer» D. \[C{{u}_{2}}O\]

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When hypo solution is added to cupric sulphate solution, the blue colour of the latter is discharged, due to formation of

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