General Principles and Processes of Isolation of Elements
Which of the following ores can be concentrated by froth floatation method and why?Fe2O3,ZnS,AI2O3
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Metal oxide can be reduced by __________.
What name is given to carbon reduction process for extracting the metal?
Carbon monoxide reacts with iron to form
Which if the following is a common reducing agent for extracting metals from ore?
Which represent incorrect matching of metals with their ores?
Fusion of MnO2, with KOH in presence of O2 produces a salt W. Alkaline solution of W upon electrolytic oxidation yields another salt X. The manganese containing ions present in W and X, respectively are Y and Z. Correct statement(s) is (are)
What happens when : manganese dioxide is heated with aluminium powder ?
Auto-reduction is employed in the metallurgy of :