Question

Prepare various solution with different densities by adding some drops of ink in different amounts of water and explain the principal involved in it

Answer 1

The prepare various solution with different densities by adding some drops of link in different amounts of water and explain the principal involved in it.

Answer 2

Details on preparation of different concentrations of ink-water solution are as follows.  

The main principle behind the mixture of ink and water are:  

-Collision of molecules  

-Diffusion  

-Random movement of molecules  

Process:  

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.  

Rate of diffusion depends on temperature of water. When water is hot, diffusion occurs fast

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