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Which one of the alkali metals forms onl...

Which one of the alkali metals forms only the normal oxide `M_2O`on heating in air-

A

Li

B

Na

C

Rb

D

K

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The correct Answer is:
A
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -ENTRANCE QUESTION BANK
  1. Which of the following has the lowest melting point-

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  2. In case of replacement reaction the reaction will be most favourable ...

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  3. Which one of the alkali metals forms only the normal oxide M2Oon heati...

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  4. The ease of adsorption of the hydrated alkali metal ions on the ion-ex...

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  5. Be^(2+) is isoelectronic with which of the following ions -

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  6. On heating which of the following releases CO2 most easily -

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  7. In contrast with beryllium, which one of the following statements is i...

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  8. The suspension of slaked lime in water is-

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  9. Which of the following statements is false

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  10. The product obtained as a result of a reaction of nitrogen with CaC2 i...

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  11. Which one of the following takes up CO2 and releases O2-

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  12. Ionic mobility of which of the following alkali metal ions is lowest w...

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  13. Magnesium reacts with an element (X) to form an ionic compound. If the...

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  14. Which of the following oxides is most acidic in nature -

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  15. Among CaH2, BeH2, BaH2 the order of ionic character is-

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  16. Which of the following is not hygroscopic -

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  17. Which is correct order of solubility in water-

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  18. Bleaching powder does not contain-

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  19. Which of the following statements is incorrect

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  20. Which of the following has highest hydration energy -

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