1. Name the prominent minerals of India. 2. Name the state that leads in the production of Iron Ore in India. 3. Name two places in India where Bauxite is found. 4. State two uses of Bauxite. 5. Why is it necessary to conserve mineral resources? 6. Name three states where Iron ore is found in India. 7. State the uses of Manganese. 8. Why is Manganese important for making iron and steel? 9. State the main uses of copper. 10. Name the states where copper is found. 11. Why is copper important for electrical machinery?
Answers
Explanation:
1. India's major mineral resources include Coal (4th largest reserves in the world), Iron ore, Manganese ore (7th largest reserve in the world as in 2013), Mica, Bauxite (5th largest reserve in the world as in 2013), Chromite, Natural gas, Diamonds, Limestone and Thorium.
2. In India, the main deposits of iron ore are located in the states of Odisha, Jharkhand, Chhattisgarh, Karnataka and Goa, with Odisha contributing ~50% of India's total production. With iron ore produced in more than 50 nations, Australia, Brazil, China, India and Russia are the largest producers.
3. Orissa, Gujarat, Jharkhand, Maharashtra, Chhattisgarh, Tamil Nadu and Madhya Pradesh are the main bauxite producing states in India.
4. The principal uses of bauxite are multipurpose covering metallurgy, chemical industries, as raw material in building and road aggregates. Bauxite is the best and only material for making aluminum metal. Bauxite is used in chemical industry, refractory brocks, abrasive, cement, steel, and petroleum.
5. Mineral resources should be conserved because the geological process of mineral formation is quite slow due to which the rate of replenishment is infinitely small whereas the rate of consumption is quite high. Mineral resources found on the earth surface are limited in number and are exhaustible.
6. In India, major economic deposits of iron ore are found associated with volcano- sedimentary Banded Iron Formation (BIF) of Pre-Cambrian Age. The major "hematite" type iron deposits are located in well defined belts in the States of Orissa, Jharkhand, Chhattisgarh, Maharashtra, Goa and Karnataka.
7. It is an important raw material in the iron and steel industry as it is used for hardening steel and prevents it from rusting.
It is used in dry cell batteries.
It is used in forming many alloys.
8. Manganese removes oxygen and sulfur when iron ore (an iron and oxygen compound) is converted into iron. It also is an essential alloy that helps convert iron into steel. As an alloy it decreases the brittleness of steel and imparts strength. ... Manganese is used also as an alloy with metals such as aluminum and copper.
9. Most copper is used in electrical equipment such as wiring and motors. This is because it conducts both heat and electricity very well, and can be drawn into wires. It also has uses in construction (for example roofing and plumbing), and industrial machinery (such as heat exchangers).
10. Major copper ore deposits are located in Singhbhum district (Jharkhand), Balghat district (Madhya Pradesh) and Jhunjhunu and Alwar districts (Rajasthan). In addition, there are small deposits in Gujarat, Karnataka, Andhra Pradesh, Uttar Pradesh, Sikkim, Meghalaya, Maharashtra and West Bengal.
11. .With its exceptional current carrying capacity, copper is more efficient than any other electrical conductor Because of its superior conductivity, annealed copper is the international standard to which all other electrical conductors are compared . Another advantage is that copper oxide also conducts electricity.
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