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Q. |
Milk is a colloidal system in which: |
A. | Water is dispersed in fat |
B. | Fat is dispersed in water |
C. | Fat and water are dispersed in each other |
D. | Fat is dissolved |
Answer» B. Fat is dispersed in water | |
Explanation: A colloid is a substance microscopically dispersed evenly throughout another substance. A colloidal system consists of two separate phases: a dispersed phase (or internal phase) and a continuous phase (or dispersion medium) in which the colloid is dispersed. A colloidal system may be solid, liquid, or gas. Milk is an emulsified colloid of liquid butterfat globules dispersed within a water-based solution. |
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