Given below are two statements: Statement I: If BOD is 4 ppm and dissolved oxygen is 8 ppm, then it is a good quality water....

The possibility of photochemical smog formation will be minimum at

Match List-I with List-II

Choose the correct answer from the options given below:

The possibility of photochemical smog formation is more at

Which of the following is true about freons ?

Formation of photochemical smog involves the following reaction in which A, B and C are respectively.
(i) $\mathrm{NO}_2 \xrightarrow{\mathrm{hv}} \mathrm{A}+\mathrm{B}$
(ii) $\mathrm{B}+\mathrm{O}_2 \rightarrow \mathrm{C}$
(iii)...

Identify $\mathrm{X}, \mathrm{Y}$ and Z in the following reaction. (Equation not balanced) $$ \mathrm{ClO}+\mathrm{NO}_2 \underline{X} \xrightarrow{\mathrm{H}_2 \mathrm{O}} \underline{\mathrm{Y}}+\underline{\mathrm{Z}} $$

How can photochemical smog be controlled?

Some reactions of NO2 relevant to photochemical smog formation are Identify A, B, X and Y

Correct statement about smog is