Question

Add a few drops of ink to the water and review your results why did this happen​

Answer 1

Answer:

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.

Explanation:

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Answer 2

When a few drops of ink is added to the water, it evenly spreads throughout the water, thereby turning it into a blue coloured solution.

This happens due to the principle of diffusion.

• According to the principle of diffusion, substances move from a region of higher concentration to a region of lower concentration.

• The ink starts diffusing in the water and continues until it reaches an equilibrium state with respect to the concentration of the solute( in this case, ink).