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List the uses of neon and argon gases....

List the uses of neon and argon gases.

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Uses of Neon:
(i) Neon is used in discharge fluorescent bulbs for advertisement display purposes.
(ii) Neon bulbs are used in botanical gardens and in green houses.
(iii) Neon is used in voltage regulators and indicators.
Uses of Argon :
(i) Argon is used for filling electric bulbs.
(ii) It is used to provide an inert atmosphere in high temperature metallurgical operations (or welding of metals or alloys).
(iii) Argon is used in rectifiers and in radio valves.
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