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प्रश्न
Define and explain the meaning of the term ore.
उत्तर
Ore : Those minerals from which a metal can be extracted profitably are called ores. For example bauxite ore is used to extract aluminium metal, hematite ore is used to extract iron metal.
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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.
Write the equation for the formation of aluminium at the cathode during the electrolysis of alumina.
Which process is applied to concentrate ore of zinc?
State the use of:
Mild steel,
From the metals: copper, iron, magnesium, sodium, and zinc, select a different metal in the case which can form 2+ and 3+ ions.
Complete and balance the following equation:
Al + N2 →
Give the name and formula of an ore of zinc.
What in addition to a zinc compound, is put into the furnace? State one large scale use of zinc.
What is an alloy? An alloy usually has some property which makes it useful in a specific way.
What is the special property of : type metal?
Name : The processes involved in Refining of ores
What is the role of flux in metallurgical processes?
