What is green chemistry?
(N/A) Green chemistry is a strategy or approach that uses the principles of chemistry and other sciences to reduce or eliminate the use and generation of hazardous substances,thereby minimizing adverse effects on the environment.
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How is excessive content of $CO_{2}$ responsible for global warming?
Easy
View SolutionWhat is green fuel? Give information about waste recycling.
Medium
View SolutionIdentify the correct statements from the following:
$i$. In the presence of $UV$ light,$CF_2Cl_2(g)$ gives chlorine free radicals which will react with $O_3(g)$ to form $O_2(g)$.
$ii$. Drinking water with $10 \ ppm$ fluoride is better than drinking water with $1 \ ppm$ fluoride.
$iii$. The maximum permissible concentration of lead in drinking water is $50 \ ppb$.
$i$. In the presence of $UV$ light,$CF_2Cl_2(g)$ gives chlorine free radicals which will react with $O_3(g)$ to form $O_2(g)$.
$ii$. Drinking water with $10 \ ppm$ fluoride is better than drinking water with $1 \ ppm$ fluoride.
$iii$. The maximum permissible concentration of lead in drinking water is $50 \ ppb$.
Oxides of sulfur and nitrogen are pollutants of which of the following?
Easy
View SolutionBiochemical Oxygen Demand $(BOD)$ is the amount of oxygen required (in $ppm$):
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