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I need help with The smog is essentially caused by the presence of

The smog is essentially caused by the presence of

  • Option 1)

    O_{2}\; \; and\; \; O_{3}

  • Option 2)

    O_{2}\; \; and\; \; N_{2}

  • Option 3)

    oxides of sulphur and nitrogen

  • Option 4)

    O_{3}\; \; and\; \; N_{2}

 
Answers (1)
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As we learned

Smog -

Dark fog having condensed water vapour, dust, smoke and gases (SO2, H2S, NO2 etc)

- wherein

Smoke + fog = Smog

 

 

Oxides of sulphur and nitrogen manly causes the smog.


Option 1)

O_{2}\; \; and\; \; O_{3}

Option 2)

O_{2}\; \; and\; \; N_{2}

Option 3)

oxides of sulphur and nitrogen

Option 4)

O_{3}\; \; and\; \; N_{2}

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