Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Name the substance added for reducing the melting point of alumina during the extraction of aluminium.

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Cryolite is used for reducing the melting point of alumina during the extraction of aluminium.