A 2 7 gm sample of pure aluminium is heated in a stream of

Last updated: 7/4/2023

A 2 7 gm sample of pure aluminium is heated in a stream of O2 gas for some time resulting in gain in weight due to formation of Al2O3 The final weight is 4 86 gm Select correct option s Al 27 O Percent of aluminium that remains unoxidized is 90 Percent of aluminium that remains unoxidized is 10 O Percent of aluminium that is oxidized is 90 Percent of aluminium that is oxidized is 80