Question

mettez les phrases a l interrogatif avec INVERSION SANDRA HABITE AU CANADA

Answer 1

Answer:

leaching the first step of the extraction of the metal aluminium gold and silver from there was is the method of leaching in this method are are soaked in a certain solution for a long time for dissolves in that solution due to a specific chemical reaction the gag you does not react with therefore does not dissolve in that solution it is so can be separated for example concentration of bauxite the aluminium ore is done by teaching method here but outside is so good in aqueous or = n a 2 c o 3 which dissolve the main ingredient element or in it