Substance is a vague term which could be a mixture but may not be.
Mixtures: can be separated by physical means
Both are almost similar. Fractional distillation is almost same as the normal distillation.It only differs in two things:-Use of a fractionating columnIt is done when a mixture of various substances has to separated into its constituents. These constituents have very low difference in their boiling points.Otherwise, just like distillation it involves heating the mixture, then condensing its vapors and collecting it into a container.
Those are made out of clay and similar substances, so no.
heterogenous mixtures
how are the mixture of substances similar
how are the mixture of substances similar
Mixtures are formed from substances (compounds).
Mixtures are formed from two or more substances (compounds).
A mixture contain two or more substances (compounds).
Mixtures are formed from two or more substances.
Mixtures
Detergents are mixtures.
Depending up on the variable amount of different substances in the mixtures these can be different.
mixtures
Solubles are homogenous mixtures.
Some people divide matter into pure substances and mixtures. Pure substances are elements and compounds. Mixtures include homogeneous and heterogeneous mixtures. Some people divide matter into homogeneous matter and heterogeneous matter. Homogeneous matter includes pure substances and homogeneous mixtures (solutions). Heterogeneous matter is heterogeneous mixtures.