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The reagent(s) used for softening the te...

The reagent(s) used for softening the temporary hardness of water is (are):

A

`Ca_(3)(PO_(4))_(2)`

B

`Ca(OH)_(2)`

C

`Na_(2)CO_(3)`

D

`NaOCl`

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The correct Answer is:
B, C
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CENGAGE CHEMISTRY ENGLISH-HYDROGEN, WATER AND HYDROGEN PEROXIDE-Exercises Multiple Correct
  1. Which of the following is//are basic hydride?

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  2. In which of the following properties hydrogen does not show similarity...

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  3. In the reaction of sodium hydride and water:

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  4. Which of the following elements are oxidised when they react with dihy...

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  5. What is true about saline hydrides?

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  6. Among the hydrides given below which are reasonable good acids?

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  7. Which is false about ice?

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  8. Which of the following statements about the following reaction is//are...

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  9. Which of the following statements is/are correct about 6.8% strength o...

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  10. x g of H2O2 requires 100mL of M//5 KMnO4 in a titration in a solution ...

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  11. 20mL of H2O2 is reacted completely with acidified K2Cr2O7 solution. 40...

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  12. Permanent hardness is due to CI^(ɵ) and SO4^(2-) of Mg^(2+) and Ca^(2+...

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  13. The hardness of water due to HCO3 is 122pm. Select the correct stateme...

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  14. The reagent(s) used for softening the temporary hardness of water is (...

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  15. In which of the following hydrides, hydrogen exists in negative oxidat...

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  16. The oxidation states of the most electronegative elements in the produ...

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  17. The oxide that gives H(2)O(2) on treatment with dilute H(2)SO(4) is

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  18. When zeolite which is hydrated sodium aluminium silicate is treated wi...

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  19. Which of the following metals will react with NaOH and KOH to liberate...

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