KO2 (potassium Superoxide) Is Used In Oxygen Cylinders In Space And Submarnies Because It

Why Kaysons ?

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Question

KO₂ (potassium superoxide) is used in oxygen cylinders in space and submarnies because it

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Solution

Correct option is

Absorbs CO₂ and increases O₂ content

Although KO₂ also reacts with moisture of the breath but does not completely eliminate it.

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SIMILAR QUESTIONS

Q1

The stability of the following alkali metal chlorides follows the order:

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Q2

The product, which is not formed when sodium thiosulphate is added to a natural solution of potassium permanganate, is

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Q3

The pair of compound which can exist together in aqueous solution is

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Q4

Which pair does not show hydrogen isotopes?

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Q5

An unknown inorganic compound (X) loses its water of crystallization on heating and its aqueous solution gives the following reactions:

(a) It gives a white turbidity with dilute HCl solution

(b) It decolourises a solution of iodine in potassium iodide

(c) It gives a white precipitate with silver nitrate solution which turns black on standing.

Identify the compound (X)

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Q6

In photography, sodium thiosulphate is used for

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Q7

Which of the following anhydrous halides can be prepared by heating its hydrates form?

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Q8

The solubility in water of sulphates down the Be group is:

Be > Mg > Ca > Sr > Ba. This is due to

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Q9

Which of the following is the correct order of gradually decreasing basic nature of the oxides?

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Q10

A metal M readily forms water soluble sulphate MSO₄, water insoluble hydroxide M(OH)₂ and oxide MO which becomes inert on heating. The hydroxide is soluble in NaOH. The metal M is

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