Question

In the colloidal state the particle size ranges:

• A. below 1 nm
• B. between 1 nm to 1000 nm
• C. less than 100 nm
• D. None of the above

Answer 1

The correct option is B between 1 nm to 1000 nm

The term colloidal particle is about a small amount of matter having size typical for colloids and with a clear phase boundary. The dispersed-phase particles have a diameter between approximately 1 and 1000 nm