MP Police Constable 23-Jul-2016 Shift 2 Solved Paper

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Question : 80 of 100

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What would happen when a few pieces of Copper metal is put in a beaker containing dilute Sulphuric acid ?

Vigorous reaction occurs and a colourless gas is liberated.
No reaction takes place.
The mixture slowly turns blue.
A gas with suffocating smell is liberated.

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