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The temporary hardness of water is due t...

The temporary hardness of water is due to the presence of

A

Chlorides of Ca and Mg

B

Sulphates of Ca and Mg

C

Bicarbonates of Ca and Mg

D

Carbonates of Ca and Mg

Text Solution

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The correct Answer is:
C
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Temporary hardness of water is due the presence of

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Assertion (A) : Temporary hardness in water is due to the presence of chlorides of magnesium. Reason (R) :Temporary hardness is removed by Clark's method.

Permanent hardness of water is due to the presence of

The permanent hardness of water is due to the presence of

Permanent hardness of water is due the presence of

NARAYNA-HYDROGEN & ITS COMPOUCDS-C.U.Q HYDROGEN
  1. H(2)O acts as Bronsted acid in the following :

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  2. (I)CuSO(4)+5H(2)OrarrCuSO(4).5H(2)O (II) PCl(3)+3H(2)OrarrH(3)PO(3)...

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  3. The temporary hardness of water is due to the presence of

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  4. The permanent hardness of water is due to the presence of

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  5. Which of the following substances cause permanent hardness of water

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  6. Calgon (a water softener) is :

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  7. The temporary hardness of water due to calcium bicarbonate can be remo...

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  8. The chemical formula of Zeolite is…….

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  9. When Zeolite (Hydrated sodium Alumininum silicate) is treated with har...

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  10. The formula of exhausted pemutit is

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  11. Permanent hardness in water cannot be cured by :

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  12. Exhausted cation exchange resin is regenerated by using solution of mo...

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  13. Exhausted anion exchange resin is resin by using solution of moderatel...

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  14. De-ionized water is prepared by the following method :

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  15. Both temporary and permanent hardness is removed on boiling with

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  16. The composition of electrolyte for the manufacture of calcium by elect...

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  17. In the laboratory, H(2)O(2) is prepared by the action of

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  18. The action of H(2)SO(4) on KI gives I(2) and H(2)S Calculate the volum...

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  19. H(2)O(2) is :

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  20. What is the conc. Of H(2)O(2) obtained by auto oxidation process?

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