Question

Choose the correct option regarding the statements given below:

Statement 1: Argon is used in advertising sign lamps.
Statement 2: Neon emits a reddish-orange glow when an electric current flows through it.

• A. Both statements are correct.
• B. Both statements are incorrect.
• C. Statement 1 is correct but statement 2 is incorrect.
• D. Statement 1 is incorrect but statement 2 is correct.

Answer 1

The correct option is D Statement 1 is incorrect but statement 2 is correct.

Neon and argon are noble gases. Neon is used in advertising sign lamps. It emits a reddish orange glow when an electric current passes through it.

Argon is used in electric bulbs and to create an inert atmosphere for welding.