A house wife separates cream from milk by churning it. A}Name the process of separation.why cream cannot be separated by passing milk through a filter paper.
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A) Centrifugation process
Cream cannot be separated by passing milk through a filter paper because milk is a colloidal solution and cream mainly consist of fat component of milk. When passed through a filter paper milk passes through leaving no filtrate on the paper. This clearly shows that the particles in the cream that are bulky fat molecules in nature are colloidal in nature. There size is small enough to pass through the pores of a filter paper, For a particle to be separated using filter paper, should have size greater than 1*10^-9, but size of collide particles is less than that.
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