Which of the following minerals is known for its insulating properties and is used in electrical industries?

Correct option is C

The correct answer is (c) Mica
Explanation:
· Mica is a mineral known for: ✔ Excellent electrical insulation ✔ Heat resistance ✔ Ability to split into thin sheets
· Because of these properties, mica is widely used in:
· Electrical appliances
· Capacitors
· Electric furnaces
· Switchboards
Information Booster:
· India’s major mica-producing regions:
· Jharkhand
· Bihar
· Rajasthan
· Mica is also used in:
· Cosmetics (for shine)
· Paint industry
· Rubber manufacturing
· Mica belongs to the silicate group of minerals.
Additional Knowledge:
(a) Bauxite
Ore of aluminium — NOT an insulator.
(b) Limestone
Used in cement industry — NOT an electrical material.
(d) Iron ore
Metallic and highly conductive — opposite of an insulator.