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The wrong statement among the following ...

The wrong statement among the following is

A

Helium is used to fill observatory balloons because it is lighter than air and non-combustible

B

A mixture of `80%` helium and `20%` oxygen is used for respiratation by deep sea divers.

C

The noble gas used in atomic reactors is argon for cooling.

D

Neon is used in discharge tubes and fluorescent bulbs for advertisement display purposes.

Text Solution

Verified by Experts

The correct Answer is:
D
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