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Maharashtra State BoardSSC (English Medium) 7th Standard

Write an answer to the following question in your own words. Write the names of five minerals and the useful substances obtained from them. - Marathi (Second Language) [मराठी (द्वितीय भाषा)]

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Question

Write an answer to the following question in your own words.

Write the names of five minerals and the useful substances obtained from them.

Short Answer

Solution

Minerals are naturally occurring solid substances with a characteristic internal structure and properties. They are formed through geological processes that take millions of years. Examples of minerals are:

  1. Iron ore: It is used to make farming implements, railway lines and so on.
  2. Manganese: Manganese compounds are used in the production of pharmaceuticals as well as to turn glass pink. Manganese is also used in electric appliances. 
  3. Bauxite: It contains 55% aluminium. As a result, it is primarily used in aircraft, transportation, and the production of electric wire. 
  4. Copper: Copper is used in the manufacture of electric wires, radios, telephones, cars, kitchen utensils, and statues. 
  5. Mica: It is used in a variety of applications, including ayurvedic medicines, dyes, electric machines and equipment, and wireless communication equipment.
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Chapter 16: Natural Resources - Exercise [Page 112]

APPEARS IN

Balbharati General Science [English] 7 Standard
Chapter 16 Natural Resources
Exercise | Q 2.7 | Page 112
Balbharati Integrated 7 Standard Part 4 [English Medium] Maharashtra State Board
Chapter 4.1 Natural Resources
Exercise | Q 2. (g) | Page 60
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