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The metal ion which does not give any fl...

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

A

`Li^(+)`

B

`Be^(+2)`

C

`Na^(+)`

D

`K^(+)`

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The correct Answer is:
B
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. Which of the following has an unpaired electron in it

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  2. A compound which on hydrolysis releases ammonia is-

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

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  4. Which of the following exists as hydrated salt-

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  5. NaHCO(3) can be used to-

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  6. Strong reductant in IIA and IA group is-

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

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

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

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

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

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

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

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  14. Alkaline earth metals show:-

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  15. In K,Rb and Cs, the decreasing order of reducing power in gaseous stat...

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  16. Prefix 'Alkali' denotes for:-

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  17. Which of the following is the weakest base:-

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  18. The correct order of density of following elements is: -(Be,Mg,Ca,Sr)

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  19. Identify the correct statement elemental sodium:-

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  20. On addition of metal ions, colour of liquid NH(3)solutions converts in...

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