Smog is generally produced in the presence of which of the following?
- A$O_2$ and $O_3$
- B$O_2$ and $N_2$
- COxides of sulfur and nitrogen
- D$O_3$ and $N_2$
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What concentration of carboxyhaemoglobin complex in the human body reduces the oxygen-carrying capacity of haemoglobin?
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View SolutionWhich of the following does not cause atmospheric pollution?
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View SolutionMatch $List-I$ with $List-II$:
$List-I$ (Pollutant) $List-II$ (Source) $A$. Microorganisms $I$. Strip mining $B$. Plant nutrients $II$. Domestic sewage $C$. Toxic heavy metals $III$. Chemical fertilizer $D$. Sediment $IV$. Chemical factory
Choose the correct answer from the options given below:
| $List-I$ (Pollutant) | $List-II$ (Source) |
| $A$. Microorganisms | $I$. Strip mining |
| $B$. Plant nutrients | $II$. Domestic sewage |
| $C$. Toxic heavy metals | $III$. Chemical fertilizer |
| $D$. Sediment | $IV$. Chemical factory |
Choose the correct answer from the options given below:
Which one of the following substances used in dry cleaning is a better strategy to control environmental pollution?
The normal rain water is slightly acidic and its $pH$ value is $5.6$ because of which one of the following?
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