In the alumino-thermite process, $Al$ acts as
an oxidising agent
a flux
solder
a reducing agent
In the alumino thermic process, aluminium acts as a reducing agent.
Assertion : For the extraction of iron, haematite ore is used Reason : Haematite is a carbonate ore of iron
Which of the following elements constitutes a major impurity in pig iron?
Select correct statement
Which of the following process is not used for the extration of spelter from zinc blende
Step which is involved in the extraction of $Pb$ from galena
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