Bihar has significant reserves of which mineral?

Mica
Bauxite
Copper
Gold

The correct answer is Mica.

Bihar has significant reserves of mica, which is a mineral that is used in a variety of products, including electrical insulation, cosmetics, and roofing materials. Mica is also used in the production of semiconductors and other electronic components.

Bauxite is a mineral that is used to produce aluminum. Copper is a metal that is used in a variety of products, including electrical wiring, plumbing fixtures, and coins. Gold is a precious metal that is used in jewelry and other decorative items.

Mica is a sheet silicate mineral that is composed of aluminum, potassium, and silicon. It is a transparent or translucent mineral that is often found in thin sheets. Mica is a very important mineral because it is used in a variety of products. Mica is used in electrical insulation because it is a good conductor of electricity. Mica is also used in cosmetics because it is a good reflector of light. Mica is also used in roofing materials because it is a good insulator.

Bauxite is an aluminum ore that is composed of aluminum oxide, iron oxide, and silica. Bauxite is a red or brown mineral that is found in tropical and subtropical regions. Bauxite is the main source of aluminum. Aluminum is a metal that is used in a variety of products, including electrical wiring, plumbing fixtures, and coins.

Copper is a metal that is found in the Earth’s crust. Copper is a reddish-brown metal that is used in a variety of products, including electrical wiring, plumbing fixtures, and coins. Copper is also used in the production of semiconductors and other electronic components.

Gold is a precious metal that is found in the Earth’s crust. Gold is a yellow metal that is used in jewelry and other decorative items. Gold is also used in the production of coins and other financial instruments.