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When excess potassium super oxide is pla...

When excess potassium super oxide is placed in a container containing `CO_(2)` , then

A

The pressure of the container decreases

B

The pressure of the container increases

C

The pressure of the container remains constant

D

The pressure of the container first increases and then decreases

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The correct Answer is:
B
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NARAYNA-S-BLOCK ELEMENTS-Level Vi (Part - 2)
  1. When sodium hydroxide is exposed to air which of the following substan...

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  2. The wrong statement among the following regarding alkali metal halides...

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  3. When excess potassium super oxide is placed in a container containing ...

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  4. When excess carbon dioxide gas is passed through an aqueous solution o...

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  5. When silicon or boron is dissolved in caustic soda , hydrogen gas is l...

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  6. When sodium hydroxide is added drop wise to a mixture of two compounds...

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  7. Sodium thiosulphate (Na(2)S(2)O(3).5H(2)O) is used in photography to

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  8. The hydroxide of which metal ion(s) which is/are soluble in excess of ...

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  9. Sodium peroxide which is a yellow solid, when exposed to air becomes w...

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  10. Which of the following is not a characteristic of alkali metals ?

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  11. In the manufacture of sodium hydroxide by product obtained is

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  12. LiF is less soluble in water than KF because

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  13. The radius of which of the following hydrate ion is smallest?

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  14. Aqueous solution of sodium carbonate is alkaline due to

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  15. What are the products formed when Li(2)CO(3) undergoes decomposition?

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  16. Amongest the alkali metal hydrides, the most stable one is

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  17. Magnesium has polarising power close to that of :

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  18. Which one of the following is the weakest base ?

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  19. In cell fluid , the most abundant cation is :

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  20. The water of crystallization in 1 mole of washing soda crystal is

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