HARDMCQ SINGLENEET ChemistryInorganic ChemistryEnvironmental ChemistryAchiever Section
The false statement among the following is :
A.The average residence time of NO is one month✓ Correct
B.Limestone acts as a sink for SOx
C.SOx can be removed from flue gases by passing
D.Ammonia acts as a sink for NOx
Explanation
Residence times means that the lifetime amount of chemicals which are there in the atmosphere divided by the rate by which these chemicals are removed from the atmosphere. The average residence for nitrogen dioxide is 0.5 to 2 days. ENVIRONMENTAL CHEMISTRY 28 Hence, the correct answer is option (a)
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