une
Column A
Column B
(a) Helium (1) Electric bulb
(b) Neon
(2) Thermometer
(c) Argon (3) Semiconductor
(d) Germanium (4) Weather balloons
(e) Mercury (5) Advertising signboards
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4
Answer:
(a) Helium-(4) Weather balloons
(b) Neon - (5) Advertising signboards
(c) Argon - (1) Electric Bulb
(d) Germanium - (3) Semi conductor
(e) Mercury - (2) Thermometer
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1
Answer:
helium is a very colourless gas that do not burn often used to fill objects that float in air
Electric bulb refers to a device which produce light on the application of electricity
Neon is chemical element with the symbol ne and automatic number 10 . It is noble gas
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