Which of the following is not a secondary pollutant_________________?

Related Mcqs:

1. Secondary cell is_____________________?

   A. rechargeable
   B. non rechargeable
   C. electrolytic cell
   D. Daniel cell

2. The distinction test for primary secondary and tertiary alcohol required to react each of them is_________________?

   A. Cone. HCI and anhydrous SOCl2
   B. Cone. HCI and anhydrous CaCl2
   C. Cone. HCI and anhydrous PCl2
   D. Cone. HCI and anhydrous ZnCl2

3. Lead battery is secondary battery the paste used in it is______________?

   A. Magnese dioxide
   B. Zinc chloride
   C. Ammonium chloride
   D. AOT

   Submitted by: Safeullah Bullo

4. When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?

   A. Bromine
   B. Chlorine
   C. Fluorine
   D. Iodine

5. Which of the following is a macro nutrient ?

   A. boron
   B. iron
   C. copper
   D. carbon

6. Which of the following is not a condition for the formation of smog ?

   A. sufficient NO
   B. sunlight
   C. less movement of air
   D. winds

7. In which of the following layer of atmosphere there is more thickness of ozone layer ?

   A. troposphere
   B. stratosphere
   C. mesosphere
   D. photosphere

8. Which of the following is not a heavy industry ?

   A. iron
   B. fertilizer
   C. paper
   D. none

9. Which of the following gases is the main cause of acid rain ?

   A. CO
   B. NO2
   C. both a & b
   D. none of the above

10. Which of the following factors help to measure quallity of water ?

    A. DO
    B. BOD
    C. COD
    D. all of the above