On adding sulphuric acid to which substance, the gas is evolved which turns lime water milky and has no effect on potassium permanganate solution. Guess the anion or substance involved.
A
Carbonate
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B
Bicarbonate
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C
Both A and B
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D
None of the above
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Solution
The correct option is C Both A and B The anion involved can be carbonate or bicarbonate.