151
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Noble Gases
easy
Chemistry
Which gas is most commonly used in neon signs?
Correct answer: B
A
Argon
B
Neon
Correct
C
Krypton
D
Xenon
Explanation and memory cue
Neon is the gas most commonly used in neon signs because it emits a bright reddish-orange glow when an electric current passes through it. Other gases are used for different colors, but neon is the standard for the classic neon sign.