Question

(a) Name two properties of a substance to check its purity
(b) Alloys cannot be separated by physical means, though it is considered mixture, Why

Answer 1

Dear Student, a)Pure substance has fixed melting and boiling points. Impurities present in it affect them. So from the value of melting and boiling point the purity can be found. b)Alloys cannot be separated by physical means because they form homogeneous mixture. Regards