Which one of the following options contains ONLY primary air pollutants?

Which one of the following options contains ONLY primary air pollutants?

Q. Which one of the following options contains ONLY primary air pollutants?

(A) Hydrocarbons and nitrogen oxides

(B) Hydrocarbons and ozone

(C) Ozone and peroxyacetyl nitrate

(D) Nitrogen oxides and peroxyacetyl nitrate

Ans: Hydrocarbons and nitrogen oxides

gate questions
Gkseries: Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. & other graduate and post-graduate exams. Learn more on about us page
Related Post
  1. A glass fibre of 5 micron diameter is subjected to a tensile stress of 20 MPa
  2. Determine the correctness (or otherwise) of the following Assertion [A] and the Reason [R]
  3. Determine the correctness (or otherwise) of the following Assertion [A] and the Reason [R]