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The element of IA group which combines d...

The element of IA group which combines directly with nitrogen is-

A

`Li`

B

`Na`

C

K

D

`Cs`

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The correct Answer is:
A
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. A solution of KOH is water is called-

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  2. Which metal does not form ionic hydride-

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  3. The element of IA group which combines directly with nitrogen is-

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  4. Which of the following forms metal oxide on heating

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  5. Which of the following releases 0.2 moles of hydrogen on hydrolysis-

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  6. On electrolysis of fused NaCI the final product is-

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  7. Increasing order of stability of- I. K(2)CO(3) II. MgCO(3) III Na(2)...

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  8. Which of the following has an unpaired electron in it

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  9. A compound which on hydrolysis releases ammonia is-

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  10. The metal ion which does not give any flame colouration is-

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  11. Which of the following exists as hydrated salt-

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  12. NaHCO(3) can be used to-

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  13. Strong reductant in IIA and IA group is-

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  14. The sulphate of which metal does not form alum:-

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  15. The electrolytic reduction process is used for alkali metals, because:...

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  16. Which statement is false for an element, having 2,8,8,2 electronic con...

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  17. Mostly metals are hard, but metals of Ist A group are soft, because:-

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  18. The normal dehydrating agent, which used in a laboratories:-

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  19. What is the decreasing order of standard oxidation potential of K,Ca a...

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  20. Which statement will be true for solution, when Ba is dissolved in amm...

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