2. Solved Papers
  3. NEET

NEET AIPMT SOLVED PAPER 1999

  • question_answer
                Which of the following is a secondary pollutant?  

    A)                                                                                        Aerosol  

    B)            CO                             

    C)             PAN       

    D)             \[C{{O}_{2}}\]

    Correct Answer: C

    Solution :

                Pollutants formed by the chemical interaction of primary pollutants with atmospheric gas and moisture, often catalysed by sunlight an' called secondary pollutants. PAN (Peroxyacetyl Nitrate) is one such substance.


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