Non Metallic Minerals
Non Metallic Minerals
Non-Metallic Minerals: The basic characteristic of non-metallic minerals is that they do not yield new products on melting. These are generally associated with sedimentary rocks. E.g. granite, sandstone, etc.
Mica: It is an important non-metallic, mineral. It is used in electrical and electronics industries due to its di-electric strength, insulating properties and resistance to high voltage. Mica occurs in the form of plates or leaves, which can be split into thin sheets. Mica can be clear, black, green, red, yellow or brown. Its deposits are mainly found in the Northern edge of the Chota Nagpur plateau. Koderma- Gaya- Hazaribagh belt of Jharkhand is the leading producer of mica. In Rajasthan, the major mica producing area is around Ajmer. Nellore mica belt of Andhra Pradesh is also an important producer in the country. Canada is the main competitor of India in mica production. India is one of the leading producers of mica. According to 2013 estimate, India produces 14,250 metric tonnes mica and stands at 8th position
Rock Minerals: Rock mineral like limestone is found, in sedimentary rocks and is composed of calcium carbonates or calcium and magnesium carbonates. Limestone is used for smelting iron ore in blast furnaces of steel plants and is the basic raw material for manufacturing of cement.
Meaning of Sedimentary Rocks : Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at the Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles to settle in place.
The group of sedimentary minerals including, gypsum, potash salt and sodium salt are formed as a result of which process? | |||
| Right Option : B | |||
| View Explanation | |||
Koderma, in Jharkhand, is the leading producer of which one of the following minerals. | |||
| Right Option : B | |||
| View Explanation | |||
Non-metallic minerals are found in _______________ | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
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Archit Segal
7thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
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8thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
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Yatharthi Sharma
10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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8thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
