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Shift 09/06/2023 8:30 AM - 10:30 AM
Correct Answer
1. Mica - Non-metallic (A)-(III): Mica is a non-metallic mineral. It is widely used in various industries for its electrical insulating properties and heat resistance. Mica is often found in the form of thin, flexible sheets and is used in electrical equipment, cosmetics, and other products.
2. Manganese - Ferrous (B)-(IV): Manganese is a ferrous mineral, meaning it does contain iron. It is essential in the production of various alloys, including stainless steel. Manganese alloys are used to enhance the strength and durability of steel and other metals.
3. Bauxite - Non-ferrous (C)-(I): Bauxite is another non-ferrous mineral. It is the primary source of aluminium, which is a lightweight and corrosion-resistant metal widely used in various industries, including aerospace, construction, and transportation.
4. Coal - Mineral fuel (D)-(II): Coal is a mineral fuel and is one of the most significant sources of energy worldwide. It is primarily used for electricity generation and as a fuel in various industrial processes. Coal is a fossil fuel that is burned to produce heat and power.
So, option 1 is correct.
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