Question

F. CHOOSE THE ODD ONE OUT GIVING REASON :
1. Helium, Neon, Argon, Nitrogen, Xenon.


2. CO, NO2, SO2, CO2, 02.


3. Burning fuel, Vehicle exhaust, Aer
!, Vehicle exhaust, Aerosol sprays, Volcanic activities, Growing trees.






origin of the questions
Candid New Trends in ICSE


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Answer 1

Answer:

1.Nitrogen

Explanation:

Because all other are Noble gases

Answer 2

Answer:

Nitrogen

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