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.
The element or compound , which occur naturally in the Earth 's crust are know as ______________ | |||
| Right Option : C | |||
| 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]
Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thMy 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.
Hiya Gupta
8thMy 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
7thBeing a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
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.
Archit Segal
7thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
