A.90.0% B.95.0% C.99.0% D.99.9%
A.氧化 B.還原 C.置換 D.取代[T/]
A.Al+H2SO4=AlSO4+H2 B.2Al+3H2SO4=Al2(SO4)3+3H2 C.Al+3H2SO4=Al(SO4)3+3H2 D.3Al+H2SO4=Al2SO4+3H2