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Answer -
Uses of neon gas:
(i) It ismixed with helium to protect electrical equipments from high voltage.
(ii) Itis filled in discharge tubes with characteristic colours.
(iii) Itis used in beacon lights.
Uses of Argon gas:
(i) Argonalong with nitrogen is used in gas-filled electric lamps. This is because Ar ismore inert than N.
(ii) Itis usually used to provide an inert temperature in a high metallurgicalprocess.
(iii) Itis also used in laboratories to handle air-sensitive substances.