Question

The size of the colloidal particles may range from________.

• A. 1 to 10 mm
• B. 1 to 100 pm
• C. 1 to 1000 nm
• D. 10 to 100 pm

Answer 1

The correct option is C

1 to 1000 nm

Explanation of the correct answer:

The correct answer is option C:

1. Small solid particles known as colloidal particles are dispersed in a fluid phase.
2. The size of the particles in a colloidal state of matter ranges from 1 nm to 1000 nm.
3. Colloidal systems are those that contain scattered particles in this range.

Explanation of the incorrect answers:

Options A, B, and D:

1. The size of the colloidal particles ranges from 1 to 1000 nm.
2. Hence, these options are incorrect.