MCQ
Which gas is obtained when urea is heated with $HN{O_2}$
- ✓${N_2}$
- B${H_2}$
- C${O_2}$
- D$N{H_3}$
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Assertion $A$: Permanganate titrations are not performed in presence of hydrochloric acid.
Reason $R$ : Chlorine is formed as a consequence of oxidation of hydrochloric acid.
In the light of the above statements, choose the correct answer from the options given below.
