Which is the major source for sulphur dioxide?
Answer: Coal and crude oil combustion
Which of the following is a source for boron air pollution?
Which are the sources of arsenic pollution?
Answer: All of the mentioned
X ray films are a source of which of the following gas?
The minimum size of smoke particle is
Which of the following is a secondary air pollutant?
The permissible concentration of PM 10 in the air is
Which of the following is/are inorganic gas (es)?
The threshold limit of benzene is
Variety of life forms, expressed as a number of species in an area, known as
'Ozone' in stratosphere absorbs harmful
Which of the following is the major photochemical smog?
Which of the following diseases are caused by the smog?
Answer: (i), (ii) and (iv)
Excess of fluoride in drinking water causes:
SMOG is caused due to:
Affinity of hemoglobin for CO is two hundred times more considerable than
Major source of emissions in a motor vehicle: crackcase, carburettors, fuel tank and
Which of the following is used as antiknock compound in gasoline?
The list of industrial sources of air pollution and their emissions are given. Match the following.
A. Ammonia 1. Carbon monoxide
B. Plating 2. Particulates
C. Fertilizers 3. Metal fumes
The correct order is
The principal source of volatile organics (Hydrocarbons) is
Answer: Industrial processes