MCQ
जलीय माथ्यम में विलेयता का सही क्रम है:
- A$ZnS > Na _2 S > CuS$
- B$Na _2 S > CuS > ZnS$
- C$Na _2 S > ZnS > CuS$
- D$CuS > ZnS > Na _2 S$
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