Gas which is toxic at troposphere while useful at stratosphere is :–

1.	Gas which is toxic at troposphere while useful at stratosphere is :–[a] CFC [b] CO2 [c] O3 [d] NO2
Answer» Correct option [c] O₃

Gas which is toxic at troposphere while useful at stratosphere is :–[a] CFC [b] CO2 [c] O3 [d] NO2

Answer»

Correct option [c] O₃

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Gas which is toxic at troposphere while useful at stratosphere is :–[a] CFC [b] CO2 [c] O3 [d] NO2

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