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Sometimes , the colour of photochemical ...

Sometimes , the colour of photochemical smog becomes brown . The reason for this brown appearance is the excess of

A

`NO_2`

B

`SO_2`

C

PAN

D

`CH_4`

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-MOCK TEST 33-Example
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  4. In anthrcene ,number of pi electrons is equal to x. the value of x is

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  5. The colour chage observed when excess ethyne is passed through the sol...

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  6. Major product is

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  7. consider the given box the total number of gases which are responsible...

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  11. IUPAC name of K3[Fe(C2O4)3] is?

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  13. Product P is

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  15. In an electrophilic aromatic substitution reaction, the nitro group is...

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  16. Hydrogenation of benzene is done by

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  17. In which of the following zones of atmosphere ozone layer is present ?

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  18. Sometimes , the colour of photochemical smog becomes brown . The reaso...

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  19. Major product (P) formed in the given reaction is

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  20. Sulphonation of benzene is done by which reagent?

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