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Which are involved in muscle contractio...

Which are involved in muscle contraction?

A

`K^+`

B

`Na^+`

C

`Mg^(2+)`

D

`Ca^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
D
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MBD PUBLICATION-S- BLOCK ELEMENTS [ALKALI AND ALKALINE EARTH METALS]-QUESTION TYPE
  1. Which imparts brick red colour to the flame ?

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

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  3. Which are involved in muscle contraction?

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

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

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  6. Which constitutes the enamel of our teeth ?

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

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  8. The strongest base in the following is:

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

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

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  11. Which out of the following does not dissolve in dilute HCl ?

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  12. A chloride dissolves appreciably in cold water when placed on the tip ...

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  13. The hydroxide which is max. soluble in water is ?

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  14. The elements forming predominantly covalent bonds in the following is:

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  15. Chemicals compound 'A' is used to remove temporary hardness from water...

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  16. The metal 'X' on heating with nitrogen gives compound 'Y' which dissol...

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  17. Ba, Sr, Ca and Mg may be arranged in order of decreasing first ionisat...

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  18. Halides of alkaline earth elements generally form hydrates. This shows...

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  19. The set representing the correct first ionisation energies (IE1) is:

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  20. Identify the least stable among the following

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