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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
State the position of aluminium in the periodic table.
Explain with reason:
Electrolytic reduction is done to obtain aluminium?
How does aluminum react with the Air ?
Give three ways in which the metal zinc differs from the non-metals carbon. At least one of the differences must be a chemical difference?
Name the following:
The chief metal which occur in nature in free state as well as in combined state.
Define the term : Mineral
What is an alloy? Give three reasons why alloys are made.
Give composition and uses of the following alloys. Mention the reason for its use.
Magnalium
Name the alloy of zinc used in simple voltaic cells.
What is the role of flux in metallurgical processes?
