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Noble Gases

Noble gases a...

Question

Noble gases are obtained by the fractional distillation of liquid air.

A

True

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B

False

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Solution

The correct option is A True
The noble gases are found in the atmosphere in a very small quantity. They are obtained by the fractional distillation of liquid air. The examples of noble gases are helium, argon, neon, etc.

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Q. _______ of air is used to obtain nitrogen, oxygen, and argon and other atmospheric noble gases by separating the air components by fractional distillation in a cryogenic air separation unit.

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warm up slowly in a fractional distillation column

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is obtained at maximum height

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Q. Fill in the following blanks with suitable words :
(a) Miscible liquids are separated by .........................
(b) Immiscible liquids are separated by using a ........................
(c) A mixture of kerosene and petrol can be separated by ........................
(d) The separation of liquids by fractional distillation is based on the difference in their ............................
(e) The gases of air can be separated by fractional distillation of liquid air because they have different ......................
(f) A heterogeneous mixture of liquid and solid is conveniently separated by ............................
(g) If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................

Q. __________ is not obtained during separation of components of air by fractional distillation.

Q. Which of the following gas does not liquefy on separation of gases from air by fractional distillation?

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