Match the items in Column-I with the relevant item in Column-II. \(...
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Match the items in Column-I with the relevant item in Column-II.
\( \mathrm{P} \)
Column-I Column-II
W.
(a) Hydrogen peroxide (p) Zeolite is used as a
(b) Used in Calgon
(q) Perhydrol method
(c) Permanent hardness (r) Hexametaphosphate of water is removed by
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