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Which of the following contain both calc...

Which of the following contain both calcium and magnesium:-

A

Magnesite

B

Dolomite

C

Carnellite

D

Phosphorite

Text Solution

Verified by Experts

The correct Answer is:
B
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkaline earth metals)
  1. Which gives (s) yellow precipitate with K(2)CrO(4) ?

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  2. Which of the following metal is present in green colouring pigmen...

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  3. Which of the following contain both calcium and magnesium:-

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  4. The product obtained on fusion of BaSO(4) and Na(2)CO(3) is

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  5. The salts of which alkaline earth metal are used in the form of manure

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  6. A mixture of lime paste is sand, water and

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  7. Peroxide ion is present in :

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  8. Which gas is evolved by the treatment of magnesium with very dilute so...

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  9. A metal M readily forms its sulphate MSO(4) which is water soluble. It...

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  10. Which one of the following is the correct statement

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  11. Which of the following is the strongest base

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  12. Mg burns in CO to produce

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  13. Which of the following is formed when calcium combines with oxygen

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  14. Slow acting nitrogenous fertilizer among the following is

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  15. In the presence of cobalt chloride (CoCl2), bleaching powder decompose...

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  16. Bone ash contains

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

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  18. Alkaline earth metals belong to the

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  19. Phosphine, acetylene and ammonia can be formed by treating water with

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  20. H(2)SO(4) is added to 20% cold aqueous solution of "BaO"(2). The produ...

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