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Which of the following represents an alk...

Which of the following represents an alkaline earth metal on the basis of atomic nos.(Z) listed ?

A

10

B

20

C

30

D

40

Text Solution

Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]-QUESTION TYPE
  1. Which sulphate has the highest solubility in water ?

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  2. Which pairs represent isoelectronic species ?

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  3. Which of the following represents an alkaline earth metal on the basis...

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  4. The electronic configuration of calcium is represented as:

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  5. Which is the correct order of increasing basic strength ?

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  6. The decreasing order of IE2 values in K, Ca and Ba is:

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  7. The most electropositive among the following is:

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  8. Which of the following is present in chlorophyll ?

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  9. The compounds with maximum and least ionic characters among the follow...

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  10. The correct order of solubility of the sulphates of alkaline earth met...

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  11. Which imparts brick red colour to the flame ?

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  12. All the following substances react with water. The pair which gives th...

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  13. Which are involved in muscle contraction?

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  14. Which will liberate hydrogen on reacting with hydrochloric acid ?

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  15. To the clear solution of compound (X) a solution of barium chloride (B...

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  16. Which constitutes the enamel of our teeth ?

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  17. Which of the following does not impart colour to the flame ?

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  18. The strongest base in the following is:

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  19. The correct order of increasing thermal stabilities of the compound is...

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  20. A metal is burnt in air and the ash on moistening smells of ammonia. T...

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