Question

Experiment No. 1
To prepare colloidal solution (or sol) of starch.
5​

Answer 1

Answer:

Take 500 mg of starch in a mortar and add few ml of distilled water. Grind the starch to make a thin paste and transfer this paste to a 50 ml beaker. Take about 100 ml of distilled water in a 250 ml beaker and heat the beaker so that water starts boiling.

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