Question

Noble gases are also known as aerogens because

• A. they are rarely found in atmosphere
• B. argona noble gas is the most abundant gas of the atmosphere
• C. they occur in air
• D. None of the above

Answer 1

Answer: (C)

Although, it is true that argon is the most abundant inert gas in the atmosphere but noble gases are known as aerogens because of the fact that they occur in air