Question

Size of colloidal particle is

• A. $1$ to $10\mathring{A}$
• B. $20$ to $50\mathring{A}$
• C. $10$ to $1000\mathring{A}$
• D. $1$ to $280\mathring{A}$

Answer 1

Answer: (C)

The particle size is in the order $10\mathring{A}-1000\mathring{A}$