Medium
In the Hall-Heroult process,which of the following is used for reducing $Al_2O_3$?
- AGraphite
- BMagnesium
- C$Na_3AlF_6$
- D$CaF_2$
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Similar Questions
Explain the leaching and oxidation-reduction process in the metallurgy of gold.
Medium
View SolutionGiven below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A:$ In an Ellingham diagram,the oxidation of carbon to carbon monoxide shows a negative slope with respect to temperature.
Reason $R:$ $CO$ tends to get decomposed at higher temperature.
In the light of the above statements,choose the correct answer from the options given below:
Assertion $A:$ In an Ellingham diagram,the oxidation of carbon to carbon monoxide shows a negative slope with respect to temperature.
Reason $R:$ $CO$ tends to get decomposed at higher temperature.
In the light of the above statements,choose the correct answer from the options given below:
DifficultJEE MAIN 2023
View SolutionIdentify the correct statements for the following reaction sequence:
$Ag + NaCN (0.5\%) + H_2O + O_2 \to \text{Soluble complex} \xrightarrow{Zn} B (\text{complex}) + Ag$
$Ag + NaCN (0.5\%) + H_2O + O_2 \to \text{Soluble complex} \xrightarrow{Zn} B (\text{complex}) + Ag$
Medium
View SolutionIn metallurgy,flux is used to:
Medium
View SolutionWhy is the reduction of a metal oxide easier if the metal formed is in liquid state at the temperature of reduction?
Easy
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