Question

diffrence between pure and impure rawmaterials

Answer 1

pure raw material means material contain only useful raw things

but impure raw material means that they contain material with impurities like sand dust soil other non useful things

Answer 2

A pure substance or chemical substance is a material that has a constant composition (is homogeneous) and has consistent properties throughout the sample. ... All elements are pure substances. Sugar, salt, and baking soda are pure substances which are compounds