WBJEE 2020 Chemistry Solved Paper

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Question : 38 of 40

Marks: +1, -0

Which of the following statement(s) is/are incorrect:

A sink of SO2 pollutant is O3 in the atmosphere.
FGD is a process of removing NO2 from atmosphere
NOx in fuel gases can be removed by alkaline scrubbing
The catalyst used to convert CCl4 to CF4 by HF is SbF5

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