Question

Metal a which is used in theemat process when heated with oxygen gives an oxide b which is amphoteric in nature. Idwntify a and b. Writedown tje reaction

Answer 1

Metal A is Iron (III) Oxide {Fe2O3}
Amphoteric oxide is aluminium oxide {Al2O3}

Fe2O3 + 2Al --> 2Fe + Al2O3 +Heat