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The alum used for purifying water is...

The alum used for purifying water is

A

Ferric alum

B

Chrome alum

C

Potash alum

D

Ammonium alum

Text Solution

Verified by Experts

The correct Answer is:
C
`K_2SO_(4).Al_(2)(SO_4)_(3) . 24H_2O`
Potash alum is generally used for purifying water.
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ERRORLESS-HYDROGEN-NCERT BASED QUESTION (Water or Hydride of Oxygen)
  1. The low density of ice compared to water is due to

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  2. Which of the following is a use of alum

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  3. The alum used for purifying water is

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  4. Match List I with List II. Select the correct answer using the codes g...

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  5. Maximum number of hydrogen bonding in H(2)O is

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  6. Why do calcium ions make water hard but sodium ions do not ?

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  7. D(2)O is preferred to H(2)O, as a moderator, in nuclear reactors becau...

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  8. Brackish water mostly contains

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  9. Which of the following ions will cause hardness in water sample?

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  10. Systematic name of H(2)O is

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  11. Synthetic detergents are more effective in hard water than soaps becau...

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  12. Temporary hardness may be removed from water adding.

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  13. Water softening by Clarke's process uses

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  14. Which of the following will determine whether the given colourless liq...

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  15. Permanent hardness of water is due to the presence of

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  16. Which of the following will cause softening of hard water ?

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  17. By adding which of the following process, permanent hardness of water ...

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  18. Permutit is technical name given to

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  19. Sodium sulphate is soluble in water but barium sulphate is insoluble b...

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  20. When two ice cubes are pressed over each other, they unite to form one...

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