Home Chemistry Enviromental Chemistry ( Not In Syllabus ) Mix Which of the following is false.
Chemistry Enviromental Chemistry ( Not In Syllabus ) Mix Single Correct MCQ
Published on: August 12, 2026

Which of the following is false.

A
Green house gases are carbondioxide, methane, water vapours, nitrous oxide, CFCs and ozone.
B
CO is highly poisonous to living beings because of its ability to block the delivery of oxygen to the organs and tissues. (c )The troposphere contains dinitrogen, dioxygen, ozone and little water.
D
The primary source of air borne lead emission is leaded-petrol

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The correct answer is:
C
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CG
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