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प्रश्न
Define the term : Mineral
उत्तर
Mineral: The naturally occurring compounds of metals which are generally mixed with earthy such as soil, sand, limestone and rocks are known as minerals.
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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.
The most common ore of iron is ________. (Calcium / Haematite)
Name the most common ore of the metal aluminium from which the metal is extracted. Write the chemical formula of the ore.
What is rust? Give the equation for the formation of rust ?
Name an ore which is concentrated by:
forth floatation process
Explain
Nitric acid can be stored in aluminium containers
Give composition and uses of the following alloys. Mention the reason for its use.
Duralumin
Name an alloy of zinc which is used in simple voltaic cells.
Name the following:
The ore of zinc containing its sulphide.
Name : The processes involved in Refining of ores
