Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
EasySelect the incorrect statement.
- ABlister copper has an impurity of $98\%$ copper.
- BVan Arkel method is used for the purification of $Zr$.
- C$Al_2O_3$ cannot be reduced by the Goldschmidt alumino-thermic process.
- D$NaCN$ is used as a depressant in the froth flotation process.
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Similar Questions
Given below are two statements related to Ellingham diagram:
Statement-$I$ : Ellingham diagrams can be constructed for formation of oxides,sulfides and halides of metals.
Statement-$II$ : It consists of plots of $\Delta_f H^0$ vs $T$ for formation of oxides of elements.
In the light of the above statements,choose the most appropriate answer from the options given below:
Statement-$I$ : Ellingham diagrams can be constructed for formation of oxides,sulfides and halides of metals.
Statement-$II$ : It consists of plots of $\Delta_f H^0$ vs $T$ for formation of oxides of elements.
In the light of the above statements,choose the most appropriate answer from the options given below:
What is known as Thomas slag?
Difficult
View SolutionWhich of the following is a non-ferrous alloy?
Railway wagon axles are made by heating rods of iron embedded in charcoal powder. The process is known as
Medium
View SolutionWhich among the following is an alloy of antimony,tin and copper?
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