Question

A metal which is used in thermite process when heated with oxygen gives an oxide be which is amphoteric in nature identify a and b write down the reactions of oxide with hcl send an naoh

Answer 1

metal used is Aluminium ( Al)
oxide is Al2O3
Al2O3 + HCl = AlCl3+H2O
Al2O3 + HCl = NaAlO2+H2O

Answer 2

Metal A is aluminum oxide B is aluminum oxide reaction with HCL:      AL2O3+HCL---->ALCL3+H2O.                reaction with NaOH.                                AL2O3+NAOH----->NaALO2+H20