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प्रश्न
Write the name and formula of two ores of the following: Iron
उत्तर
Iron: Haematite (Fe2O3) and Magnetite (Fe3O4).
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संबंधित प्रश्न
What is the role of cryolite `(Na_3AIF_6)` in the electrolytic reduction of alumina in Hall’s process?
State the use of:
cast iron
State the use of:
wrought Iron
Name one metal occurring as a : Sulphide ore
Give composition and uses of the following alloys. Mention the reason for its use.
Bronze
What is an alloy? An alloy usually has some property which makes it useful in a specific way.
What is the special property of: Duralumin
A to F below relate to the source and extraction of either zinc or aluminium.
- Bauxite
- Coke
- Cryolite
- Froth floatation
- Sodium hydroxide solution
- Zinc blende
Write the formula of cryolite.
Name the main constituent metal in the following alloy:
Brass
Name the processes involved in dressing of the ores.
The ore which can be concentrated by magnetic separation.
