X is a crystalline salt of sodium solution of X in water turns litmus red and produces a gas which turns lime water milky when added to sodium carbonate. With barium chloride solution, X gives hydrochloric acid. X is
A.
Na 2CO 3
B.
NaHCO 3
C.
NaHSO 4
D.
Na 2SO 4
Correct Answer: Option C
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