When light is passed through diluted milk, a bluish tinge is seen. This phenomenon is called ____________

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Solution

Milk is a type of colloid in which dispersion medium and dispersed phase are liquid i.e emulsion.
In case of milk fat globules are dispersed in water
The colloidal particle having a size 1-1000 nm has the ability to scatter the light and path of light visible with our naked eye, this process of scattering of light by the colloidal particle is called Tyndall effect
Therefore, when light is passed through diluted milk, a bluish tinge is seen, this phenomenon is called Tyndall effect

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(d) A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called ___.
(e) When light is passed through water containing a few drops of milk, it shows a bluish tinge. This is due to the ___ of light by milk and the phenomenon is called ___. This indicates that milk is a ___ solution.

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20 Fill in the blanks (a) A colloid is a ——— mixture and its components can be separated by the technique known as ———. (b) Ice, water and water vapour look different and display different —— properties but they are ——— the same. (c) A mixture of chloroform and water taken in a separating funnel is mixed and left undisturbed for some time. The upper layer in the separating funnel will be of——— and the lower layer will be that of ———. (d) A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called———.e) When light is passed through water containing a few drops of milk, it shows a bluish tinge. This is due to the ——— of light by milk and the phenomenon is called ——— . This indicates that milk is a ——— solution.

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