Question

suggest a suitable technique for the following. a) mercury and water b) coloured components from blue ink​

Answer 1

Answer:

This is right answer write

Answer 2

Answer:

Answer: (a) Mercury and water are separated by decantation by using separating funnel as the separation of two immiscible liquids by a separating funnel depends on the difference in their densities. Mercury is heavier than water therefore, forms the lower layer and separated from water.

Blue or black dye can be separated from ink by the process of evaporation. Ink is a colloidal solution and a heterogeneous mixture of dye and water. Heating leads to evaporation of water. This leaves behind dye in watch-glass.