What are the major pollutants in large cities?
- AOzone
- BCarbon monoxide and oxides of sulfur
- CHydrocarbons and air
- DOzone hole and marsh gas
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Dissolved oxygen is essential for aquatic life. What are the reasons responsible for the depletion of dissolved oxygen in water?
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View SolutionWhich of the following components,when increased in concentration in the atmosphere,causes acid rain?
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View SolutionRecent reports of acid rain in industrial cities are due to the effect of atmospheric pollution by
$CFCl_3$ is responsible for the decomposition of ozone to oxygen. Which of the following reacts with ozone to form oxygen?
Given below are two statements :
Statement $I :$ The $pH$ of rain water is normally $\sim 5.6$.
Statement $II :$ If the $pH$ of rain water drops below $5.6,$ it is called acid rain.
In the light of the above statements,choose the correct answer from the options given below:
Statement $I :$ The $pH$ of rain water is normally $\sim 5.6$.
Statement $II :$ If the $pH$ of rain water drops below $5.6,$ it is called acid rain.
In the light of the above statements,choose the correct answer from the options given below:
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