Question

1. Preparation of: Unit-1
a) a true solution of common salt, sugar and alum
b) a suspension of soil, chalk powder and fine sand in water
c) a colloidal solution of starch in water and egg albumin/milk in water
and distinguish between these on the basis of
transparency
filtration criterion
stability​

Answer 1

Answer:

a) it is transparent stable and filtration by heating

b) not transparent not stable and using filter paper

c) opaque stable and by heating or other convention al methods