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

June 24, 2021

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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?

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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

Navdeep Kaur

2 responses

Arunima Banik says:

24/06/2021 at 10:16 AM

1.2
Manisha says:

24/06/2021 at 10:28 AM

0/1
Mjhe p&e nh ata hai

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