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The most abundant metal present in the h...

The most abundant metal present in the human body is

A

Ca

B

Mg

C

Na

D

K

Text Solution

Verified by Experts

The correct Answer is:
A
An adult body (70kg) contains about 1200g Ca, 170g K, 90g Na and ,25g Mg while only 5g of Fe and 0.06 g of Cu. The daily requirement of Ca in the human body has been estimated to be 200-300mg.
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R SHARMA-THE S BLOCK ELEMENTS-Question Bank (Level- II)
  1. Which of the following compounds contains potassium ?

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  2. The inner shells of electrons are completely filled in

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  3. Lithium is softer than

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  4. Lithium is the srtrongest reducing agent in the aqueous solution becau...

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  5. Alkali metals liberate H(2) gas when they react with

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  6. Which of the following alkali-metal hydroxides is the least soluble in...

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  7. Which of the following compounds is the most stable?

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  8. The alkali metal cation having the least ionic mobility is

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  9. Which of the following is insoluble in organic solvents?

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  10. NaNO(3) when heated to 500^(@)C given

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  11. Which of the following decomposes more readily than the other forming ...

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  12. Which of the following compounds does not contain calcium?

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  13. Which of the following has the highest melting and boiling points?

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  14. Which of the following alkaline earth metals do not impart any color t...

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  15. Which one among the following is the most basic?

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  16. Which of the following compounds is covalent?

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  17. Which of the following chlorides does not respond to the flame test?

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  18. Which of the following is incorrect for both Be and Al?

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  19. Milk of lime reacts with chlorine to form , a constituent of bleaching...

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  20. The most abundant metal present in the human body is

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