B. Very short answer type questions,
1. What do you know about the minerals?
2. What is mining?
3. How many types of minerals are found on the earth?
4. What are the uses of the minerals?
5. Name any one gold deposit region of India.
Answers
Answer:
In a surface mine, hard rock must be drilled and blasted, although some minerals are soft enough to mine without blasting. Placer mining is used to recover valuable minerals from ...
Explanation:
In a surface mine, hard rock must be drilled and blasted, although some minerals are soft enough to mine without blasting. Placer mining is used to recover valuable minerals from ...
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1. Minerals are solid substances that are present in nature and can be made of one element or more elements combined together (chemical compounds).
2. The process or industry of getting minerals, metals, etc. out of the ground by digging.
3. The Earth produces a dazzling variety of inorganic chemical compounds. More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure—have been found on Earth.
4. Mineral like copper is used in electrical equipments as it is good electrical conductor. Clay is used to make cement etc which helps in constructing roads. Fibreglass, cleaning agents are made by borax.
5. There are three gold fields in the country, namely Kolar Gold Field, Kolar district, Hutti Gold Field in Raichur district (both in Karnataka) and Ramgiri Gold Field in Anantpur district (Andhra Pradesh). Karnataka is the largest producer of gold in India.
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