Mineral and Energy Resources I
ICSE · Class 10 · Geography
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Explore the full setWhat is a mineral? Provide the complete definition.
Answer
A mineral is an aggregate of two or more than two elements. A mineral has a definite chemical composition and is formed by inorganic processes. Minerals generally occur in the earth's crust and are ex…
What are the two main types of minerals? Explain the difference between them.
Answer
The two main types are: (1) Metallic minerals - contain metals, generally found in igneous rocks, vital for industrialization (e.g., iron ore, manganese, copper). (2) Non-metallic minerals - do not co…
Why are minerals considered non-renewable resources?
Answer
Minerals are non-renewable because they are exhaustible and not easily replaced. They take a very long time to develop geologically. Therefore, they should be conserved and not misused to ensure susta…
List the four types of iron ore and their iron content percentages.
Answer
1. Magnetite - 72% pure iron (best quality, magnetic properties) 2. Haematite - 60-70% pure iron 3. Limonite - 40-60% pure iron (yellowish color) 4. Siderite - 10-40% pure iron (inferior quality, self…
Which type of iron ore is the best quality and what are its characteristics?
Answer
Magnetite is the best quality iron ore. Characteristics: Contains 72% pure iron, reddish in color, has magnetic properties (attracted to magnets), can be magnetized to become permanent magnet, found i…
Name the top 3 iron ore producing states in India.
Answer
1. Odisha - largest producer (Keonjhar, Sundargarh, Mayurbhanj districts) 2. Chhattisgarh - major producer (Durg, Bastar districts, Bailadila mines) 3. Karnataka - large reserves (Ballari, Hospet, San…
What are the main uses of iron ore?
Answer
Iron ore is used for: Making pig iron, sponge iron, and steel; Construction of roads, railways, buildings, machines, tools, and automobiles; Manufacturing bolts, nails, and screws; Ship building, pipe…
What is India's position in world manganese production and what percentage of manganese is required to make steel?
Answer
India ranks third in the world in manganese production. Nearly 9 kg of manganese is required for manufacturing one tonne of steel. About 30% is used during iron ore refinement and 70% is used as an al…
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