2. Sample Papers
  3. NEET

NEET Sample Paper NEET Sample Test Paper-11

  • question_answer
    When\[HN{{O}_{3}}\]is dropped into the palm and washed with water, it turns into yellow. It shows the presence of

    A) \[N{{O}_{2}}\]                        

    B) \[{{N}_{2}}O\]

    C)  NO                             

    D) \[{{N}_{2}}{{O}_{5}}\]

    Correct Answer: A

    Solution :

     Nitric acid turns the skin yellow because it reacts with protein giving a yellow compound called xanthoprotein. It is because of this reason that nitric acid turns the skin as well as wool yellow.


You need to login to perform this action.
You will be redirected in 3 sec spinner