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1 kg of a sample of water contained 222 ...

1 kg of a sample of water contained 222 mg of `CaCl_2` and 219 mg of `Mg(HCO_3)_2` . The permanent and temporary hardness are .... ppm and .... ppm

A

200, 200

B

200, 150

C

200, 300

D

150, 220

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-OBJECTIVE EXERCISE - 3
  1. The correct order of dielectric constant values

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  2. The value of ........ is less for D2O compared to that of H2O

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  3. 1 kg of a sample of water contained 222 mg of CaCl2 and 219 mg of Mg(...

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  4. If 11.1 mg of CaCl2 and 12mg of MgSO4 are present in 2 litres of wate...

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  5. 50 ml of water sample requires 6 ml of soap solution to produce a good...

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  6. In the following reactions which is deuterolysis I) AlCl3 + 3D2O to...

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  7. 5 kg of water contain 24 mg of MgSO4 and 32.4 mg of Ca(HCO3)2 . The t...

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

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

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

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

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

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  13. 6.8 gm of H2O2 is present in 500 ml of an aqueous solution. When 10 ml...

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

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  15. Which of the following is not correct ?

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

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

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

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

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

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