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For the test of halides, the soda extract is acidfied with
A. Dil `H_(2)SO_(4)`
B. Dil. `HNO_(3)`
C. Dil. HCl
D. none of the three

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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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