A) \[{{10}^{-9}}m\text{ }to\text{ }{{10}^{-7}}m\]
B) \[{{10}^{-4}}cm\text{ }to\text{ }{{10}^{-7}}cm\]
C) \[{{10}^{-6}}m\text{ }to\text{ }{{10}^{-8}}m\]
D) \[{{10}^{-6}}cm\text{ }to\text{ }{{10}^{-9}}cm\]
Correct Answer: A
Solution :
The size of colloidal particle is \[{{10}^{-19}}m\]to\[{{10}^{-7}}m\]. Note: The colloidal particle are smaller than particle of suspension and larger than the particle of true solution.
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