1.

Addition of alum purifies the water.ian movement provides stability to the colloidal solution.(ii) Browniani) Leather gets hardened after tanning.

Answer»

i)

ii) TheBrownian movementexplains the force of gravity acting oncolloidal particles. This helps inproviding stabilitytocolloidalsols by not allowing them to settle down

this is of which ques

answer

thnx sir



Discussion

No Comment Found