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प्रश्न
A mineral from which the metal can be extracted economically and conveniently is known as ______.
विकल्प
Matrix
Ore
Flux
Alloy
उत्तर
A mineral from which the metal can be extracted economically and conveniently is known as ore.
Explanation:
An ore is a mineral that allows for profitable metal extraction.
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संबंधित प्रश्न
In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?
Name one metal which is extracted by reduction with heat alone.
A sulphide ore is converted into metal oxide by the process of:
(a) carbonation
(b) roasting
(c) calcination
(d) anodising
Metals X and Y can be recovered from the anode mud left behind after the electrolytic refining of copper metal. The coins made of metal X look new even after several years of use but the coins made of metal Y lose their shine gradually and get blackened soon. When metal X is alloyed with a small amount of metal Y, it becomes hard and hence suitable for making ornaments. What are metals X and Y? Also state the colour of metal X.
Answer the following questions based on the extraction of aluminium from alumina by Hall - Heroult’s Process :
What is the function of cryolite used along with alumina as the electrolyte?
Name the following:
The mixture of materials fed into a furnace to extract a metal.
Which one of the following is not true of metal :
Metals form non-polar covalent compounds
Extraction of moderately reactive elements is done by _______ and _______ method.
Write the name.
The molecular formula of main ore of aluminium –
Which of the following ore is concentrated by the Froth floatation process?
