Inert Gas | MCQs

Explanation

Helium  and Argon is a noble gas, part of Group 18 in the periodic table.

Helium (He)

The lightest noble gas, helium is used in hot air balloons and airships.

It's also used in air containers for deep-sea divers.

Argon (Ar)

Argon makes up 0.93% of the Earth's atmosphere.

It can be prepared by fractional distillation of liquid air.

Explanation

Neon gas emits a bright glow when electrified, making it ideal for advertising signs.

It produces red-orange light but can create different colors when mixed with other gases.

Explanation

The noble gases are also called inert gases sometimes as they are monoatomic and chemically inert under normal conditions.