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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.
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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:
- Iron ore: It is used to make farming implements, railway lines and so on.
- Manganese: Manganese compounds are used in the production of pharmaceuticals as well as to turn glass pink. Manganese is also used in electric appliances.
- Bauxite: It contains 55% aluminium. As a result, it is primarily used in aircraft, transportation, and the production of electric wire.
- Copper: Copper is used in the manufacture of electric wires, radios, telephones, cars, kitchen utensils, and statues.
- 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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State the two uses of limestone
State two reasons why limestone is a valuable mineral.
Multiple choice questions.
Which one of the following minerals is contained in the Monazite sand?
Answer the following questions in about 30 words.
Distinguish between the following in not more than 30 words.
Ferrous and non-ferrous minerals
Distinguish between the following.
Ferrous and non-ferrous minerals
Name some non-metallic minerals.
Fill in the blank
All rocks are composed of ______.
Write true or false
Metallic minerals are generally found in sedimentary rocks.
Write true or false
Mica is a metallic mineral.
Answer the following question in one or two paragraphs
Give any three uses of copper.
