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प्रश्न
Comment on the statement that- "All ores are minerals but all minerals are not ores".
उत्तर
As we know that minerals are the naturally occurring compounds of metals which are generally mixed with earthy such as soil, sand, limestone and rocks while ores are those minerals from which a metal can be extracted profitably.
Hence "All ores are minerals but all minerals are not ores".
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संबंधित प्रश्न
Select the process from the following which matches the given description.
(calcination, roasting, pulverisation, smelting)
Heating of the ore in the absence of air to a high temperature.
What is galvanization? How does it protect iron from rusting?
Which process is applied to concentrate ore of zinc?
Complete the statement using every given option.
During the extraction of aluminium..............
Ingredients and gangue in bauxite.
Complete the statement using every given option.
During the extraction of aluminium..............
Use of leaching during the concentration of ore.
Give two properties of alloys which are different from constituent metals.
Explain the following:
Cold water has no action on aluminium.
The following question refer to the extraction of aluminium and iron from their ores :
Name the principle ore from which i. iron, and ii. Aluminium is extracted.
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.
Answer the following question :
Write the constituents of electrolyte for the extraction of aluminum.
