Question

Try adding a few drops of ink to the water. Review your results, why did this happen?

Answer 1

When drops of ink are added to water, the water molecules make random movement and collide with the ink molecules. Now, the ink molecules also make random movement and move from area of higher to lower concentration of molecules. Thus, it forms a colloidal solution of ink and water.

Answer 2

When drops of ink are added to water, the water molecules make random movement and collide with the ink molecules. Now, the ink molecules also make random movement and move from area of higher to lower concentration of molecules. Thus, it forms a colloidal solution of ink and water.

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