1.

For the test of halides, the soda extract is acidfied with

Answer»

DIL `H_(2)SO_(4)`
Dil. `HNO_(3)`
Dil. HCl
none of the three

Solution :SODIUM carbonate EXTRACT is treated with dil. `HNO_(3)` to destroy `CO_(3)^(2-)` ION and `CN^(-)` ions (if present ) since both INTERFACE with the test.


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