Which of the following pollutants is absent in the emissions from a fertiliser plant ?

Related Mcqs:

1. Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

   A. CO B. SO2 C. NOx D. CFC (chloro fluoro carbons)...

2. ______________ content of the phosphate rock is the pollutant of primary interest in a phosphatic fertiliser plant ?

   A. Calcium B. Fluorine C. Phosphorous D. Sulphur...

3. Which of the following air pollutants is not toxic to vegetation i.e., doesn’t cause vegetation damage ?

   A. Smog & ozone B. Hydrogen fluoride & nitrogen oxides C. Sulphur dioxide & spray of weed killers D. Carbon monoxide...

4. ‘Particulate’ air pollutants are finely divided solids and liquids. Which of the following is not a „particulate‟ ?

   A. Dust & mists B. Smoke & fumes C. Photochemical smog & soot D. None of these...

5. Which of the following is the most major constituents of air pollutants ?

   A. Oxides of sulphur B. Oxides of nitrogen C. Carbon monoxide D. Hydrogen sulphide...

6. There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant ?

   A. Mercury B. Arsenic C. Aluminium D. Lead...

7. Which of the following pollutants, if present in atmosphere is detectable by its odour ?

   A. CO B. SO2 C. NO2 D. CO2...

8. Main pollutants released from petroleum refineries is__________________?

   A. CO, SO2 & H2S B. CO2, NO & SO3 C. CO2, H2S & NO2 D. SO3, NO2 & CO2...

9. High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes____________________?

   A. Cancer B. Silicosis C. Respiratory disease (e.g., asthma) D. Reduced crop yield...

10. Most of the atmospheric air pollutants are present in large quantity in__________________?

    A. Stratosphere B. Thermosphere C. Troposphere D. Mesosphere...