Solid `CO_(2)` is proved as white snow by

Solid CO_(2) is used as

Solid CO_(2) is an example of

Solid CO_(2) is an example of

Solid CO_2 is used as:

A colourless solid (X) on heating evolved CO_(2) and also gave a white residue , soluble in water. Residue also gave CO_(2) when treated with silute acid. (X) is

Solid CO_2 is an example of: