Smog is
A). Nothing but black smoke
B). A combination of smoke and fog
C). A liquid particle resulting from vapour condensation
D). A solid particle, e.g., fllyash
Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic(B) Sorbitol(C) Fluoride(D) Formaldehyde(E) Uranium
A). B, D and E
B). A, B, C, D and E
C). A, C and E
D). A and C
Most poisonous pollutant in water is
A). Zinc
B). Phosphate
C). Arsenic
D). Detergent
The liquid waste from kitchens and baths, of residences is known as :
A). Domestic sewage
B). Storm water
C). Sullage
D). Refuse
Main pollutant present in automobile exhaust is
A). CO
B). CO2
C). NO
D). Hydrocarbons