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प्रश्न
Choose the correct answer from the options given below:
The main ore used for the extraction of iron is
A. Haematite
B. Calamine
C. Bauxite
D. Cryolite
उत्तर
Haematite
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संबंधित प्रश्न
State the use of:
cast iron
From the metals: copper, iron, magnesium, sodium, and zinc, select a different metal in the case which arranges the above metals in the decreasing order of reactivity.
Name one metal occurring as a : Sulphide ore
Explain the following:
Cold water has no action on aluminium.
Complete and balance the following equation:
Fe2O3 + CO →
The following question refer to the extraction of aluminium and iron from their ores:
Iron and aluminum ores both, contain impurities. Explain briefly how these impurities are removed in each case.
The metals zinc and tin are present in the alloy
Name : The processes involved in Refining of ores
In the Wilfley table method, the particles of gangue are separated by __________ separation method.
Explain concept with example/explain with the help of a balanced equation.
Ores
