Heavy water $(D_2O)$ is

  • A
    $A$. $A$ product of oxygen and hydrogen
  • B
    $B$. Water of mineral springs
  • C
    $C$. Water obtained by repeated distillation and condensation
  • D
    $D$. Ordinary water containing dissolved salts of heavy metals

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Similar Questions

Which of the following methods is used for the removal of only temporary hardness of water?

Describe the structure of the common form of ice.

Match List $I$ with List $II$ and select the correct answer using the codes given below the lists:
$1.$ Heavy water $a.$ Bicarbonates of $Mg$ and $Ca$ in water
$2.$ Temporary hard water $b.$ No foreign ions in water
$3.$ Soft water $c.$ $D_2O$
$4.$ Permanent hard water $d.$ Sulphates and chlorides of $Mg$ and $Ca$ in water

$A$ water sample contains $30 \, ppm \, MgSO_4$ and $19 \, ppm \, MgCl_2$. Calculate the hardness of water in $ppm$ in terms of $CaCO_3$ equivalent.

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Discuss briefly the demineralization of water by ion exchange resin.

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