Question

A metal 'A', which is used in thermite process,when heated with oxygen gives an oxide'B' which is atmphoteric in nature .identify A and B write dow the reactions of oxide B with HCL and NaOH

Answer 1

Explanation:

A is aluminium Al

B is Al2O3

Al2O3 + 6HCl ––––> 2AlCl3 + 3H2O

Al2O3 + 2NaOH ––––> 2NaAlO2 + H2O