Minerals And Energy Resources
Q) What is the main mineral found in limestone?
Answer: Limestone primarily consists of a single mineral called calcite, a form of calcium carbonate.
Q) What determines the color, hardness, and other properties of a mineral?
Answer: The internal structure and the combination of elements within a mineral influence its color, hardness, crystal form, luster, and density.
Q) How are minerals classified for commercial purposes?
Commercially, minerals are categorized based on their mode of occurrence, such as in veins, beds, or residual deposits.
Q) What are the five main types of mineral formations?
Minerals can occur in veins and lodes, sedimentary beds, weathered rock decomposition, alluvial deposits, and ocean waters.
Q) Which Indian state has the richest iron ore reserves?
Odisha boasts the most abundant iron ore reserves in India, primarily concentrated in the Badampahar mines and the adjoining Singbhum district.
Q) What are the two main types of iron ore found in India?
Magnetite, known for its high iron content and magnetic properties, and hematite, the most commonly used industrial iron ore, are the two dominant types found in India.
Q) What are some challenges associated with mining?
Miners face health risks from dust and fumes, potential accidents like mine collapses, and environmental damage from waste and pollution.
Q) What are some substitutes for minerals in various products?
Wood, bamboo, and recycled materials can replace minerals in furniture and construction. Solar and wind energy offer alternatives to fossil fuels derived from minerals.
Q) What are the two main sources of energy in India?
Coal and petroleum are the primary energy sources in India, used for power generation, industrial needs, and domestic purposes.
Q) What are some non-conventional energy sources used in India?
India is increasingly utilizing renewable energy sources like solar, wind, tidal, and biomass to reduce dependence on fossil fuels and address environmental concerns.
Post ID: DABP008085
