Periodic Table, Periodic Properties and Variations of Properties — Chemistry STD 10 — Question

Aluminium is extracted from its chief ore, bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction
Write an equation for the reaction which takes place at the anode during the extraction of
aluminium by the electrolytic process ?

Name the following:
A chemical in which gold can be dissolved.

Name:
A non-metal which shows reducing property

Which impurities are present in bauxite ?

Name the ore from which aluminium is extracted.

Name : A non-metallic element which is a conductor of electricity.

An alkali metal in period 2

Ammonia is used in the Ostwald process, Name the oxidizing agent used in this process.