Question

The brown haze dome formed in cities is
because of which gas? शहरों में बनने वाली भूरी धुंध
गुंबद किस गैस के कारण है?
a. Sulphur dioxide.a.सल्फर डाइऑक्साइड।
b. Nitrogen oxide. b.नाइट्रोजन ऑक्साइड।
C. Carbon dioxide.c.कार्बन डाइआक्साइड।
d.Volatile organic compounds (VOCs).
d.वाष्पशील कार्बनिक यौगिक (वीओसी)।​

Answer 1

Brown haze dome formed in cities is because of Nitrogen oxide.

Explanation:

• Nitrogen oxides , especially nitrogen dioxide  are released from combustions at high temperatures.
• This can be seen as the brown haze dome above
• Or in downwind of cities .
• It is a brown toxic gas with sharp odour.
• Nitrogen dioxide is one of the most prominent air pollutants.