A mixture of carbon dioxide and oxygen can be separated by___________method.

Separation of one soluble solid from the other soluble solid ,one of which sublimes on heating the mixture is the basic principle of

Separation of soluble solid constituent of a mixture from its liquid constituent by evaporation of the liquid component followed by the recondensation of the vapour obtained is the basic principle of __________-.

During sedimentation,the __________particles settle down at the bottom of the beaker and clear water collects above it.

Neon is a ______________gas.

_____________are pure substances.

________can broadly classified into pure and impure substances.

___________is a non metal exist as a liquid at room temperature.