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प्रश्न
Explain the following term with a suitable example.
Gangue
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उत्तर
The non-metallic impurities, rocky materials and siliceous matter present in the ores are called gangue.
Example: SiO2 is the gangue present in the iron ore Fe2O3.
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संबंधित प्रश्न
Giving examples, differentiate between ‘roasting’ and ‘calcination’.
Why copper matte is put in silica lined converter?
Which one of the following reaction represents calcinations?
What are the various steps involved in the extraction of pure metals from their ores?
What is the role of Limestone in the extraction of iron from its oxide Fe2O3?
Explain the following term with a suitable example.
Slag
The reaction of toluene with Cl2 in presence of FeCl3 gives ‘X’ while the of toluene with Cl2 in presence of light gives ‘Y’. Thus ‘X’ and ‘Y’are ______.
Sulphide ore of the metal are usually concentrated by froth floatation process. Which of the following sulphide ore offers an exception and is concentrated by chemical leaching?
Heating pyrites to remove sulphur is called ______.
The process that involves the removal of sulphur from the ores is ______.
