Question

Tie a thread to a small piece of alum. Suspend the piece of alum in muddy
water and swirl. (This process is called loading).Write your observations.

Answer 1

Answer:

Aluminium sulfate, shortly known as alum,when added to raw water reacts with the bicarbonate alkalinities presents in water and forms a gelatinous precipitate. this floc attracts other fine particles and suspended material in raw water,and Settles down at the bottom of the container

Answer 2

Answer:

Observations

1. Aluminium sulfate, shortly known as alum,when added to raw water reacts with the bicarbonate alkalinities present in the water.
2. It forms a gelatinous precipitate.This floc attracts other fine particles and suspended material in raw water,and Settles down at the bottom of the container.
3. Gelatinous precipitate a precipitate that has a jelly-like appearance. Example: iron(iii) hydroxide.

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