Statement 1 : Calgon is used for removing Ca2+ and Mg2+ ions from hard water.Statement 2 : Calgon forms soluble complexes with Ca2+ and Mg2+ in which properties of these ions are masked.
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a
Both Statement 1 and Statement 2 are true.
b
Statement 1 is true and statement 2 is false.
c
Statement 1 is false and Statement 2 is true.
d
Both Statement 1 and Statement 2 are false.
answer is C.
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Detailed Solution
Statement 1 is false but statement 2 is true.Calgon mask the properties of Ca2+ and Mg2+ ions present in water without removing them as ppt.