Related Questions

β-rays emission in radioactive disintegration is always accompanied by the emission of
A γ-rays
B α-rays
C Neutrons
D None of these
Pollution by particulate matter emission in the atmosphere does not take place during metal
A Grinding
B Machining
C Cutting
D Polishing
Acid rain is caused due to emission of which of the following into the atmosphere ?
A Oxides of nitrogen and sulphur
B Carbon dioxide and carbon monoxide
C Ozone and carbon dioxide
D Carbon monoxide and nitrogen
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)
Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere?
A Chlorofluorocarbons
B Nitrous oxide
C Sulphur dioxide
D Carbon dioxide
Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ?
A Nitrous oxide
B Carbon dioxide
C Chlorofluorocarbon
D Sulphur dioxide
Which layer of of atmosphere contains the ozone layer?
A Mesosphere
B Stratosphere
C Troposphere
D Thermosphere
In the absence of ozone layer, which rays will enter into atmosphere?
A Infrared
B Visible
C Ultraviolet
D X-rays
Ozone Umbrella is located in which layer of atmosphere
A Troposphere
B Stratosphere
C Mesosphere
D Ionosphere
Often visible as smog , ozone is formed in the atmosphere form" hydrocarbons and nitrogen oxides , two major pollutants emitted by automobiles react with sunlight .
A ozone is formed in the atmosphere from
B ozone is formed in the atmosphere when
C ozone is formed in the atmosphere when
D ozone is formed in the atmosphere ,and when

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