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Which of the following is true for classical smog?

Option: 1

It is called oxidising smog


Option: 2

It is a mixture of unsaturated hydrocarbons and Oxides of Nitrogen


Option: 3

It is a mixture of smoke, fog and Sulphur dioxide


Option: 4

All of these


Answers (1)

best_answer

As we have learnt,

Classical smog is also known as reducing smog and is a mixture of smoke, fog and Sulphur dioxide

Hence, the correct answer is Option (3)

Posted by

Shailly goel

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