Mineral and Ores
Mineral and Ores
Minerals & Ores:
A mineral is a naturally occurring inorganic substance found under the surface of the Earth. An ore is the mineral from which one or more metals can be extracted profitably. The process use to extract a metal in its pure form from its ore is called metallurgy. For example aluminum is extracted from bauxite ore. The extraction of metals involves the following process
1 Concentration of Ore: The impurities from the ore are removed. This process is known as concentration of ore.
2. Reduction: The process of reduction of metal ore to get the metal in its free state.
Some minerals contains high percentage of a particular metal. These minerals are known as ____________ | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct : (a) Metals occur in nature in free state or in combined state. (b) A metal is said to occur in native or free when it is found in nature in the metallic state. (c) All ores are minerals, but all minerals are not ores. | |||
| Right Option : D | |||
| View Explanation | |||
Which of these metals often occurs naturally in the pure state? | |||
| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [10]
One 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
10thIt 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.
Cheshta
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Ayan Ghosh
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Eshan Arora
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Barkha Arora
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.
Shreya Shrivastava
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Prisha Gupta
8thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
