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| Q. |
Which is a natural colloid? |
| A. | Sodium chloride |
| B. | Urea |
| C. | Cane-sugar |
| D. | Blood |
| Answer» D. Blood | |
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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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