Chemistry
The noble gas used in advertising signboards is:
- Helium
- Neon
- Argon
- Krypton
Metals & Non-Metals
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Answer
Neon
Reason — Neon emits a coloured light when a high voltage current is passed through it, so it is used in advertising signboards.
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Related Questions
Match the following:
Column A Column B (a) Helium (1) electric bulb (b) Neon (2) Thermometer (c) Argon (3) Semiconductor (d) Germanium (4) Weather observation balloons (e) Mercury (5) Advertising signboards Write True or False for the following statements:
(a) Silver is used to make electric cables.
(b) Iodine acts as an antiseptic in the form of tincture of iodine.
(c) Sodium can be cut with a knife.
(d) Antimony is a metal.
(e) Sand is an oxide of silicon.
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- Gallium
- Iron
- Gold
- Aluminium
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- Copper
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- Zinc
- Aluminium