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Standard XIII

Chemistry

Hardness of Water and Treatment

Different wat...

Question

Different water samples A, B, C and D have 150 ppm each of $C a C l_{2}, M g S O_{4}, C a S O_{4} a n d M g C l_{2}$ respectively. The order of degree of hardness of these samples is

D > A > B > C

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A > B > C > D

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C > B > A > D

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C > A > D > B

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Solution

The correct option is A D > A > B > C
$H a r d n e s s \propto \frac{1}{m o l a r m a s s}$

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Similar questions

Q. Different water samples A, B, C and D have 150 ppm each of

C a C l_{2}, M g S O_{4}, C a S O_{4} a n d M g C l_{2}

respectively. The order of degree of hardness of these samples is

Four different water samples A, B, C and D each contains150 ppm of ${C a C l}_{2}$ , ${M g S O}_{4}$ , ${C a S O}_{4}$ , and ${M g C l}_{2}$ respectively.Choose the correct order of degree of hardness of these samples.

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Different water samples A, B, C and D have 150 ppm each of CaCl2,MgSO4,CaSO4 and MgCl2 respectively. The order of degree of hardness of these samples is

The correct option is A D > A > B > CHardness∝1molar mass

Different water samples A, B, C and D have 150 ppm each of $C a C l_{2}, M g S O_{4}, C a S O_{4} a n d M g C l_{2}$ respectively. The order of degree of hardness of these samples is

The correct option is A D > A > B > C
$H a r d n e s s \propto \frac{1}{m o l a r m a s s}$