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 three balanced equations for the purification of bauxite by Hall's process.
Aluminium is extracted from its chief ore, bauxite. The ore is first purified and then the metal is extracted from it by electrolytic reduction.
Name a chemical used for dissolving aluminium oxide. In which state of division is the chemical used?
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.
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
Write the general formula for a saturated hydrocarbon and give one example of saturated hydrocarbon with its structural formula.
Name a compound which will give acetylene gas when treated with water.
Calcium carbide give acetylene gas when it treated with water.
CaC2(s) + 2H2O(l)------> Ca(OH)2(s) + C2H2(g) (acetylene)