1.

Which one of the following would lose weight on exposure to atmosphere                                 [NCERT 1975]

A.                 Concentrated \[{{H}_{2}}S{{O}_{4}}\]
B.                 Solid \[NaOH\]
C.                 A saturated solution of \[C{{O}_{2}}\]
D.                 Anhydrous sodium carbonate
Answer» D.                 Anhydrous sodium carbonate


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