- (A) Oxygen
- (B) Neon
- (C) Hydrogen
- (D) Nitrogen
_______ is considered the largest glacier of Pakistan.
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- (A) Siachen Glacier
- (B) Tirich Mir Glacier
- (C) Biafo Glacier
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Which gas is used in decorative lights?
Which gas is used in decorative lights?
Neon is the gas that is most commonly linked to lighting, specifically advertising signs—the "neon signs" that people are familiar with. When a high-voltage current is passed through neon gas at low pressure, it ionizes and gives off a bright reddish-orange light. Other noble gases, such as argon or helium, can be combined to create various colors, but neon remains the norm for lighting.
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