Question

In colloid particles, range of diameter is

• A. 1 to 100 nm
• B. 1 to 1000 cm
• C. 1 to 1000 mm
• D. 1 to 100 km

Answer 1

Answer: (A)

In colloid particles, the range of diameters, ie, particle size is of the order of $1$ to $100nm$.