1.

Aluminiumsulphate (X) is slightlyinsoluble in water it isconvertedintosolublesulphateby using Na_(2)CO_(3) in theprecipitateof sodiumcarbonateextract .Moleof Na_(2)CO_(3)required forconplateconversionof 1 moleof (X) intosolubleis

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Answer :C


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