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Question
A black coloured solid which on reaction with dilute sulphuric acid forms a blue coloured solution is ______.
Options
Carbon
Manganese [IV] oxide
Lead [II] oxide
Copper [II] oxide
MCQ
Fill in the Blanks
Solution
A black coloured solid which on reaction with dilute sulphuric acid forms a blue coloured solution is Copper [II] oxide.
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