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

Related Mcqs:

Green house gases blanket/block the infrared radiation from earth’s surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect ?

A. CO2 B. H2 C. SO3 D. N2...

Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm) ?

A. Benzopyrene B. Peroxyacetyl nitrate C. Carbon monoxide D. Sulphur dioxide...

Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called__________________?

A. Grit B. Dust C. Powder D. Smoke...

A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from ______________ ppm?

A. 1000 to 2000 B. 3000 to 6000 C. 6000 to 9000 D. 10000 to 100000...

Soluble silica present in boiler feed water can be removed by______________________?

A. Coagulation B. Filtration C. Anion exchanger D. Preheating it...