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Q. |
Which is a natural colloid? |
A. | Sodium chloride |
B. | Urea |
C. | Cane-sugar |
D. | Blood |
Answer» D. Blood | |
Explanation: Examples of natural colloids can be found in our body itself: blood consists of colloidal sized red blood corpuscles (RBC) which provide the vital oxygen to all the body tissues. |
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