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AP EAMCET20225 Jul 2022Evening ShiftChemistryHydrogenActual

Identify the correct statements from the following: (I) The formula of Calgon in Na ₆ ( PO ₃ )₆ . (II) Exhausted permutit is regenerated by aqueous KCl solution. (III) Calcium stearate is soluble in water. (IV) In ice crystals, each oxygen is surrounded by four oxygen atoms.

Options

  1. AIII & IV only
  2. BI & IV only
  3. CI & III only
  4. DII & III only

Correct answer

C. I & III only

Step-by-step solution

Exhausted permute is is regenerated by 10 % 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 ' H ' atoms.

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