Question

When would you use a colloid?

Answer 1

Colloids:

• Colloid (colloidal solutions) is a mixture in which microscopically dispersed insoluble particles of one substance are suspended in another substance.
• The size of the suspended particles in a colloid can range from $1\mathrm{to}1000\mathrm{nanometres}(10-9\mathrm{metres})$.
• In colloids, the substance that is dispersed is knowns as the dispersed phase and the substance through which it is dispersed is called the continuous phase.

Uses of colloids:

• Colloids are widely useful in industries, medical and domestic applications.
• Colloids are used to replace fluids in the human body.
• They are also used in industries to thicken certain products.
• It is also used as an eye lotion.