Q.

3 COLLOIDAL ROUTES, SELF-ASSEMBLY

A. 10-20 nm
B. more than 20 nm
C. less than 10 nm
D. 30 to 50 nm
Answer» A. 10-20 nm
Explanation: since colloidal are intermediate between powdered particles and suspension particles, they have a size in between these particles of about 10 to 20 nm. these are considered to be intermediate size of molecules.
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