Identify the correct statements from the following: (I) The formula of Calgon in…
Identify the correct statements from the following:
(I) The formula of Calgon in $\mathrm{Na}_6\left(\mathrm{PO}_3\right)_6$.
(II) Exhausted permutit is regenerated by aqueous $\mathrm{KCl}$ solution.
(III) Calcium stearate is soluble in water.
(IV) In ice crystals, each oxygen is surrounded by four oxygen atoms.
III \& IV only
I \& IV only
I \& III only
II \& III only
Solution
Exhausted permute is is regenerated by $10 \% \mathrm{NaCl}$ solution known as Brine water.
Calcium stearate is an organic calcium salt of octadexanoate.
Each oxygen atom in ice crystal is surrounded by 4 ' $\mathrm{H}$ ' atoms.