Match the pollutant(s) in Column I with the effect(s) in Column II.

Column I Column II
(i) Oxides of Sulphur  (a) Global warming
(ii) Nitrogen dioxide (b) Damage to kidney
(iii) Carbon dioxide (c) 'Blue baby' syndrome
(iv) Nitrate in drinking water (d) Respiratory diseases
(v) Lead  (e) Red haze in trafficand congested areas

 

Answers (1)

(i) \rightarrow (d); (ii) \rightarrow (e); (iii) \rightarrow (a); (iv) \rightarrow (c); (v) \rightarrow (b)

Explanation:

(i) SO_{2} is poisonous, and even its los concentrations can cause respiratory diseases.

(ii) Oxides of nitrogen cause irritant red haze effect in the traffic and congested places.

(iii) CO_{2}’s increases amounts in the air are responsible for global warming.

(iv) Excess nitrate in drinking water can cause methemoglobinemia, i.e., ‘blue baby’ syndrome.

(v) The maximum limit of lead concentration in drinking water is 50 ppb. Consuming it more than that can cause kidney damage.

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