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Question
Describe the non-metallic resources.
Answer in Brief
Solution
Non-metallic resources do not comprise of any metals.
They are good conductors of heat and electricity.
Example: mica, limestone, gypsum, dolomite, phosphate etc.
- Mica:
- Muscovite and Biotite are the common ores of Mica.
- It is used in electrical and electronics industry and used for making lubricating oils and decorative wallpapers.
- China, Russia, Finland, USA, Turkey and Korea are the leading producers of mica.
- Limestone:
- Limestone is a sedimentary rock composed by skeletal fragments of marine organisms.
- It is used for facing stone, floor tiles, stair treads, windows sills.
- It is also used in smelting and metal refining process and portland cement production.
- China, USA, India, Russia, Brazil and Japan are the leading producers of limestone. Tamil Nadu produce over 3/4 of total limestone in India.
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Conventional energy resources or non-renewable energy resources - Non-metallic Resources
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Chapter 2.1: Resources - Evaluation [Page 145]
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RELATED QUESTIONS
______ is one of the indispensable minerals used in electrical and electronics Industry.
Assertion (A): Mica is used as an insulating material in the electrical industry.
Reason (R): Non-metallic resources are hard substances, and are good conductors of heat and electricity.
______ and ______ are the common ores of mica.
______ is the world’s top producer of Mica.
What is limestone?
