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1.a. Permanent hardness in water is hardness due to the presence of the chlorides, nitrates and sulphates of calcium and magnesium, which will not be precipitated by boiling.
1.b.Stalagmite.
1.c. Na2Al2Si2O8.xH2O.
1.d. Lilac.
1.e. Their oxide and Hydrogen gas.
Sorry only the first one.
1.b.Stalagmite.
1.c. Na2Al2Si2O8.xH2O.
1.d. Lilac.
1.e. Their oxide and Hydrogen gas.
Sorry only the first one.
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