In ________________method,the mixture of two gases passed through a flask placed in a freezing mixture.
_____________are pure substances.
Elements
Compounds
Mixtures
Heterogeneous
The positively charged ions are called
Atoms
Molecules
Anions
Cations
Separation of a solid non-volatile constituent of a mixture from its liquid constituent by allowing the solvent to vapourize completely is the basic principle of _____________.
____________is the smallest particle of a substance that can normally exist separately.
Separation of one soluble solid from the other soluble solid ,one of which sublimes on heating the mixture is the basic principle of
