Statement 1: Na2SO4 can be used as the starting material for the preparation of sodium carbonate and sodium hydroxide.Statement 2: Sodium hydroxide is prepared by the treatment of milk of lime with sodium carbonate.
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a
Both statements 1 and 2 are correct
b
Statement 1 is correct and statement 2 is incorrect
c
Statement 1 is incorrect and statement 2 is correct
d
Both statements 1 and 2 are incorrect
answer is A.
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Detailed Solution
Statement 1 :Na2SO4 + 4C + CaCO3⏟Liblanc process →∆ Na2CO3 + CaS + 4CO⏟black ash Na2CO3 + CaOH2 milk of lime → 2NaOH + CaCO3Statement 2 : True statement.