​The friction in liquids is called:

Correct option is B

The correct answer is (B) Viscosity.

Explanation:

• Viscosity refers to the resistance of a liquid to flow, also known as the friction in liquids.

Incorrect Options Explanation:

• Morbidity: Refers to the condition of being diseased or the incidence of illness in a population.
• Rancidity: Refers to the process by which fats and oils become stale or spoiled.
• Rigidity: Refers to the stiffness or inability of a material to bend or flex.

Information Booster:

• Viscosity is measured in poise or Pascal-seconds.
• It plays an important role in the flow behavior of liquids, especially in industries such as oil, food, and cosmetics.