Medium
According to the Ellingham diagram,at lower temperatures,the oxidation of $C$ to $CO$ is useful for the reduction of which of the following?
- A$Al_2O_3$
- B$Cu_2O$
- C$MgO$
- D$ZnO$
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In the thermite process,the reducing agent is:
Easy
View Solution$I$. $FeCr_2O_4 + NaOH + \text{air} \rightarrow Na_2CrO_4 + Fe_2O_3$
$II$. $Na_2CrO_4 + H_2SO_4 \rightarrow Na_2Cr_2O_7$
$Na_2CrO_4$ and $Fe_2O_3$ are separated by:
$II$. $Na_2CrO_4 + H_2SO_4 \rightarrow Na_2Cr_2O_7$
$Na_2CrO_4$ and $Fe_2O_3$ are separated by:
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View SolutionWhich of the following furnaces can achieve the highest temperature?
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View SolutionThe alumino-thermite process is used for the metallurgy of which metal?
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View SolutionIn the Mc Arthur Forest method,silver is extracted from the solution of $Na[Ag(CN)_2]$ by the use of:
Medium
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