A. passed over heated copper (II) oxide
B. bubbled through water
C. bubbled through concentrated tetroxosulphate (VI) acid
D. bubbled through sodium hydroxide
Correct Answer:
Option D – bubbled through sodium hydroxide
A. passed over heated copper (II) oxide
B. bubbled through water
C. bubbled through concentrated tetroxosulphate (VI) acid
D. bubbled through sodium hydroxide
Correct Answer:
Option D – bubbled through sodium hydroxide
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