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Eamcet Chemistry
2 nd Year : Unit 7.3 ( Block Elements ) - VIIA Group Elements

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Brown colour in HNO₃ can be removed by

A. Adding Mg Powder

B. Boiling the acid

C. Passing NH₃ through acid

D. assing air through warm acid

E. None of the above

View Answer

Correct choice: D

Explanation:

None

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Eamcet Chemistry 2 nd Year : Unit 7.3 ( Block Elements ) - VIIA Group Elements

Eamcet Chemistry
2 nd Year : Unit 7.3 ( Block Elements ) - VIIA Group Elements