Question

7. Sol and gel are examples of
a. Solid - solid colloids
b. Sol is a solid - liquid colloid and gel is a liquid - solid colloid
c. Sol is a solid - solid colloid and gel is a solid - liquid colloid
d. Sol is a liquid - solid colloid and gel is a solid - liquid colloid​

Answer 1

Answer:

Solid - Solid colloids

Answer 2

Sol and gel are examples of Sol is a solid-liquid colloid and gel is a liquid-solid colloid. (OPTION B)

COLLOIDS -

• Substances in which one or more insoluble substance is dispersed into another medium.
• The medium is known as the dispersion medium and the substance that is mixed is referred to as dispersing phase.
• Dispersing phase and dispersing medium both can be solid, liquid, or gas.

• Example -

Sol - A colloidal solution in which solid is dispersed in a liquid medium. Example - Milk of magnesia, blood, paints.

Gel - A solution of liquid in a solid medium forming a colloid. Example - Cheese, curd, butter.