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5 kg of water contain 24 mg of MgSO4 an...

5 kg of water contain 24 mg of `MgSO_4` and 32.4 mg of `Ca(HCO_3)_2` . The total hardness of water is

A

4 PPM

B

6 PPM

C

8 PPM

D

7 PPM

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-OBJECTIVE EXERCISE - 3
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  2. In the following reactions which is deuterolysis I) AlCl3 + 3D2O to...

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  3. 5 kg of water contain 24 mg of MgSO4 and 32.4 mg of Ca(HCO3)2 . The t...

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  4. An MgCl2 aqueous solution is 10^(-3) molar. The hardness of water is

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  5. Hardness of a water sample is 150 ppm. Its hardness is due to only cal...

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  6. Last molecule of H(2)O is removed from H(2)O(2) by

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  7. Electrolysis of X gives Y at anode. Vacuum distillation of Y gives H(2...

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  8. The reaction of H2O2 with X does not liberate gaseous product. Which o...

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  9. 6.8 gm of H2O2 is present in 500 ml of an aqueous solution. When 10 ml...

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  10. The number of moles of H(2)O(2) needed to reduce 2 mole of KMnO(4) in ...

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  11. Which of the following is not correct ?

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  12. Which one of the following is reduced by H2O2 in basic medium

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  13. The number of moles of electrons involved in the manufacture of 1 mole...

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  14. The volume occupied by O2 gas at STP which is obtained by the decomp...

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  15. The volume of perhydrol which on decomposition gives 2 lit ofO2 gas a...

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  16. The weight of H2O2 present in 70 ml of 6% (w/v) H2O2 solution is

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  17. 100cm^3 of a given sample of H2O2 gives 1000cm^3 of O2 at S.T.P. T...

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  18. 10 ml of H2O2 solution on decomposition liberated 200ml of O2 at ST...

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  19. Which one of the following reactions represents the oxidizing property...

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  20. The pH of a solution of H2O2 is 6.0. Some chlorine gas is bubbled int...

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