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Neon and argon are used as a gas starter in sodium lamps.

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Q: Why argon and neon gas used in sodium vapour lamp?
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Related questions

Principle of working of a sodium vapour lamp?

In a low pressure sodium vapour lamp, argon or neon gas is first heated up to emit a slight red or purple glow. The heat from this warms sodium metal in the light to the point of vaporizing, which is when the familiar yellow glow begins.


Why a sodium vapour lamp gives pink colour followed by yellow?

This could be due to the fact that a sodium vapour lamp contains neon gas and when a current is passed through the two electrodes in the lamp the neon gas becomes ionised and shines red until vapourisation occurs and the sodium cause the typical characterised yellow.


What is the type of gas in an arc lamp?

A combination of neon, argon, xenon, krypton, sodium, metal halide, and mercury. The common fluorescent lamp is a low pressure mercury arc lamp.


Is Na neon helium or argon or SODIUM?

Neon, argon, and oxygen are all different elements. They are not synonymous in any way.


Is argon gas a part of a high pressure sodium lamp?

From Wikipedia, high pressure sodium lamps use xenon, whilst low pressure ones use neon with a small amount of argon. See entry for 'sodium vapor lamps'


Is the electron arrangement in a sodium ion similar to neon or argon?

Na+ and neon are isoelectronic.


What is neons real name?

The neon lamp has a red colour ! The fluorescent lamps (or tubes) are not filled with neon - the filling gas is argon.


Which element shares the most characteristics with neon?

The elements most similar to neon are the other noble gases in group 18. They include Helium, Neon, Argon, Krypton, Xenon, and Radon.


What is the final gas in air after methane neon argon carbon dioxide oxygen and nitrogen?

The final gas is water vapour, at 0.000982%


What is an inert gas used to make bright city lights?

The gas used in fluorescent lamps is argon. Also are used sodium vapors lamps (yellow light). The incandescent lamps have 93 % argon and 7 % nitrogen. Neon is used for red lamps.


What element is Neon and argon?

Neon and argon are two distinct elements.


How do the rates of diffusion of neon and argon compare Molar masses Neon is 20 gmol and argon is 40 gmol?

neon diffuses 1.4 times as fast as argon.