General Principles and Processes of Isolation of Elements
Sulphur is extracted by Frasch process. If true enter 1 else 0.
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Which of the following pairs are not correctly matched with respect to the extraction of metals from their ores
Which of the following ores is/are sulphide ore(s)?
Which of the following metal oxide(s) gives metal and oxygen on heating ?
In order to obtain 1 tonne of aluminium, 4 tonnes of bauxite, 150 kg of sodium hydroxide and 600 kg of graphite is required. The aluminium compound in bauxite is aluminium oxide and the main impurity is iron (III) oxide, Aluminium is obtained by the electrolysis of aluminium oxide dissolved in cryolite.When bauxite is treated with sodium hydroxide solution, what happens to (i) the aluminium oxide(ii) the iron (III) oxide
Method used for the concentration of sulphide ore is :
The reduction of an oxide by aluminium is called __________.
The methods chiefly used for the extraction of lead and tin from their ores are respectively _________________.
Carbon reduction process is used for the extraction of