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The formula of Calgon is :...

The formula of Calgon is :

A

`Na_(2)[Na_(4)(PO_(3))_(6)]`

B

`Na_(4)[Na_(2)(PO_(3))_(6)]`

C

`Na_(4)[Na_(2)(PO_(3))_(3)]`

D

`Na_(2)[Na_(4)(PO_(3))_(4)]`

Text Solution

Verified by Experts

The correct Answer is:
A
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NARAYNA-HYDROGEN & ITS COMPOUNDS-CONCEPTUAL QUESTIONS
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  2. Which of the following substances cause permanent hardness of water

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  3. The formula of Calgon is :

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  4. Temporary hardness of water can be removed by adding

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  5. The chemical formula of Zeolite is…….

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

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  7. The formula of exhausted pemutit is

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  8. Permanent hardness of water cannot be removed by

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  9. Exhausted anion exchange resin is revived by using solution of

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

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

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  12. Both temporary annd permanent hardness can be removed by using

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  13. One of the electrolyte used for the manufacture of H(2)O(2) by electro...

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  14. In the preparation of H(2)O(2) by auto oxidation method the starting s...

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  15. Electrolysis of 50% H(2)SO(4) produces

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  16. Crystals at 100% H(2)O(2) is obtained by cooling 90% H(2)O(2) with.

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

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  18. Which one of the following is used for laboratory preparation of D(2)O...

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  19. H(2)O(2) is miscible with water in all proportions and forms a hydrate...

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  20. Perhydrol is

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