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प्रश्न
Select the process from the following which matches the given description.
(calcination, roasting, pulverisation, smelting)
Crushing of the ore into a fine powder.
उत्तर
The process of crushing ores into a fine powder in big crushers and ball mills is known as pulverisation.
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संबंधित प्रश्न
Also give the names of their repective ores ?
How is the main ore of aluminium concentrated?
State the use of:
wrought Iron
Name an alloy of copper in electrical appliances or household vessels.
Give reason for the following:
Galvanized metal ions should not be used for storing food.
Write the name and formula of two ores of the following: Iron
Give the name and formula of an ore of zinc.
Reduction of the zinc compound which is the product of above reaction.
The following question refer to the extraction of aluminium and iron from their ores:
What is the major impurity present in iron when it is removed from the furnace?
choose the most appropriate term to match the given description.
Crushing of the ore into a fine powder
What is the role of flux in metallurgical processes?
