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MATCH THE COLUMN
Match the column-I with column-II.
\begin{tabular}{|c|l|c|l|}
\hline \multicolumn{2}{|c|}{ Column-I } & \multicolumn{2}{c|}{ Column-II } \\
\hline A. & Acid rain & p. & \( \mathrm{CHCl}_{2}-\mathrm{CHF}_{2} \) \\
\hline B. & Photochemical smog & q. & \( \mathrm{CO} \) \\
\hline C. & \( \begin{array}{l}\text { Combination with } \\
\text { haemoglobin }\end{array} \) & r. & \( \mathrm{H}_{2} \mathrm{CO}_{3} \) \\
\hline D. & Depletion of ozone layer & s. & \( \begin{array}{l}\text { Unsaturated } \\
\text { hydrocarbons }\end{array} \) \\
\hline
\end{tabular}
(1) A-(q); B-(p); C-(s); D-(r)
(2) A-(s); B-(q); C-(p); D-(r)
(3) A-(s); B-(p); C-(r); D-(q)
(4) A-(r); B-(s); C-(q); D-(p)
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