Sodium when heated in air at `350^(@)C` forms compound X.X obsorbs `CO_(2)` and liberates Y.Y is

Sodium is heated in air at 300^(@)C to form X.X absorbs CO_(2) and forms Na_(2)CO_(3) and Y. Which of the following is Y ?

Sodium is heated in air at 350^@C to form X. X absorbs C0_2 and forms sodium carbonate and Y. Which of the following is Y ?

Sodium is heated in air at 300^(0) C to form X, X absorbs CO_(2) and forms Na_(2)CO_(3) and Y. Which of the following is Y.

Sodium is heated in excess of air, free from CO_(2) at 350^(@)C to form X.X absorbs CO_(2) and forms Na_(2)CO_(3) and Y.'X' and 'Y' are respectively :

Sodium is heating in air at 350^(@)C to form A. compound A when reacts with carbon dioxide forms sodium carbonae and Y. Here, Y is