Answers

2015-10-11T17:09:10+05:30
colloidal solutions appears to homogeneous because its particle size is very very small which can not be seen through our naked eyes.and it passes through filter paper without leaving any and are quite stable. residue.but since it shows tyndall effect it is a heterogeneous mixture.
  i hope that this will help u.
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THANKS A LOT AND YES THIS WILL HELP ME A LOT....