1.

A and B are two salts. A with dilute HCl and B with cone. \[{{H}_{2}}S{{O}_{4}}\]react to give reddish brown vapours, hence a and B respectively are:

A. NaBr, \[NaN{{O}_{3}}\]
B. \[NaN{{O}_{3}}\], NaBr
C. NaBr,\[NaN{{O}_{2}}\]
D. \[NaN{{O}_{2}}\], NaBr
Answer» E.


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