29 Sept 2020 First Shift NTA UGC NET JRF Question paper, Answer key

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1 In a polluted urban area, which one of the following has the highest concentration (ppv) in photochemical smog?

1. Ozone
2. PAN
3. Hydrocarbons (without methane)
4. Carbon monoxide
एक प्रदूषित शहरी क्षेत्र में, निम्नलिखित में से किसमें प्रकाश-रासायनिक धुंध में उच्चतम सांद्रता (पीपीवी) होती है?

SHOW ANSWER
  Answer D
Explanation: In a polluted urban area carbon monoxide > sulfur oxides > nitrogen oxides > volatile organics > particulates are the highest concentration (ppv) sequence in photochemical smog. ©navclasses




 

 

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