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A gas is evolved which burns with blue f...

A gas is evolved which burns with blue flame when the mixture is heated with conc. `H_(2)SO_(4)` . The mixture contains.

A

carbonate

B

oxalate

C

nitrate

D

nitrite

Text Solution

Verified by Experts

The correct Answer is:
2
`Na_(2)C_(2)O_(4)+H_(2)SO_(4)rarrNa_(2)SO_(4)+H_(2)O+CO+CO_(2)`
Co burns with blue flame and `CO_(2)` turns lime water milky.
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