Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as________________?

Related Mcqs:

1. TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?

   A. Skin disorder
   B. Bronchitis
   C. Bone disease
   D. Cancer

2. The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?

   A. Less than
   B. More than
   C. Same as
   D. Not related to

3. Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?

   A. The same
   B. Less than
   C. Greater than
   D. Different than

4. Catalyst used in the ‘catalytic converter’ employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is__________________?

   A. Alumina
   B. Platinum
   C. Vanadium pentoxide
   D. Iron oxide

5. In case of an unsaturated vapor-gas mixture, the humid volume increases with increase in the________________?

   A. Total pressure
   B. Absolute humidity at a given temperature
   C. Both A. and B.
   D. Neither A. nor B.

6. Which of the following is a secondary air pollutant ?

   A. Photochemical smog
   B. Sulphur dioxide
   C. Nitrogen dioxide
   D. Dust particles

7. Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes_________________?

   A. Paralysis of muscles & loss of appetite
   B. Nervous depression
   C. Gastritis and diarrhea
   D. All A., B. and C.

8. Which of the following is not a secondary air pollutant ?

   A. Ozone
   B. Photochemical smog
   C. Sulphur dioxide
   D. All A., B. & C.

9. Carbon monoxide is a pollutant, which causes_________________?

   A. Respiratory disease (e.g. asthma)
   B. Asphyxiation (suffocation) leading to death
   C. Retardation in crop growth
   D. Damage to building materials like marble

10. The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by_________________?

    A. Biological oxygen pond
    B. Aerated lagoons
    C. Trickling filters
    D. Gravity separator having oil skimming devices