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