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प्रश्न
Define the term : Mineral
उत्तर
Mineral: The naturally occurring compounds of metals which are generally mixed with earthy such as soil, sand, limestone and rocks are known as minerals.
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संबंधित प्रश्न
Name the process by which impure ore of aluminium gets purified by using the concentrated solution of an alkali.
How does aluminum react with the Water ?
How does aluminum react with the Acid ?
Explain and give reasons why aluminium vessels should not be cleaned with powders containing alkalis ?
From the metals: copper, iron, magnesium, sodium, and zinc, select a different metal in the case which arranges the above metals in the decreasing order of reactivity.
Name one metal occurring as a : Sulphide ore
The following question refer to the extraction of aluminium and iron from their ores:
Iron and aluminum ores both, contain impurities. Explain briefly how these impurities are removed in each case.
Define and explain the meaning of the term ore.
This is not an alloy of copper:
The two main metals in bronze are
