Question

In poorly ventilated buildings which one of the following inert gases can be accumulated?
A) Helium
B) Neon
C) Argon
D) Radon

Answer 1

199.In poorly ventilated buildings which one of the following inert gases can be accumulated?

Helium

Neon

Argon

Radon

Answer: D

Answer 2

Answer:

Radon is found in poorly ventilated buildings.

Explanation:

Radon is the inert gas emitted radium present in ground, building materials and ground water.

Due to poor ventilation in buildings thus emitted radon enters easily into the air.

Mostly these gases are accumulated in crawl places and basements.