This involves using a strainer or a big screen to separate the components of solid mixtures.

This method is used to separate metals from non metals.

This technique is based on the differences of the boiling point of the substance in the mixture.

This method is a technique used in separating a less-dense substance from a denser one.

This method is useful in a pharmaceutical industry in determining the amount of each chemical in each product.

This method is used in separating soluble solid from a liquid such as salt from water.

This method is utilized in industries like junkyards to remove metal scraps from other materials.

Which environmental problems can be separated by physical manipulation?

Which method is helpful in determining the harmful components in food? (ex. melamine in food sample)