Answers

2014-06-12T18:03:11+05:30
Pure substance is a substance that has a constant composition and is homogeneous in nature. It is not composed  of any other substance and has consistent properties throughout its sample.
0
2014-06-12T18:15:26+05:30
Pure substance means not adulterated with other ingredients r material No material in earth will b in pure state.to obtain pure we have to undergo various process for various material
0