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| $Property$ | $H_2O$ vs $D_2O$ |
| $Melting$ $point/K$ | $273.0$ vs $276.8$ |
| $Enthalpy$ $of$ $vaporisation$ $at$ $(373 \ K) / kJ \ mol^{-1}$ | $40.66$ vs $41.61$ |
| $Viscosity/centipoise$ | $0.8903$ vs $1.107$ |
| सूची-$I$ | सूची-$II$ |
|---|---|
| $A$. वाशिंग सोडा के साथ उपचार | $I$. $Ca(OH)_2$ |
| $B$. कैलगन विधि | $II$. $Na_2CO_3$ |
| $C$. क्लार्क विधि | $III$. $NaAlSiO_4$ |
| $D$. जिओलाइट/परम्यूटिट प्रक्रिया | $IV$. $Na_6P_6O_{18}$ |
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