Match List-$I$ with List-$II$ and select the correct answer using the codes given below.

List-$I$	List-$II$
$1.$ Heavy water	$(a)$ Bicarbonates of $Ca$ and $Mg$ 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 $Ca$ and $Mg$ in water

• A
  $1-c, 2-d, 3-b, 4-a$
• B
  $1-b, 2-a, 3-c, 4-d$
• C
  $1-b, 2-d, 3-c, 4-a$
• D
  $1-c, 2-a, 3-b, 4-d$