\(1.4Al+3O_2\overset{t^o}{--->}2Al_2O_3\)
\(2.2Fe+3Cl_2\overset{t^o}{--->}2FeCl_3\)
\(3.3NaOH+Fe\left(NO_3\right)_3--->3NaNO_3+Fe\left(OH\right)_3\downarrow\)
\(4.6KOH+Al_2\left(SO_4\right)_3--->3K_2SO_4+2Al\left(OH\right)_3\downarrow\)
\(5.2Al+6HCl--->2AlCl_3+3H_2\uparrow\)
\(6.Zn+2HCl--->ZnCl_2+H_2\uparrow\)
\(7.2A+2nHCl--->2ACl_n+nH_2\uparrow\)
\(8.Fe_xO_y+yH_2\overset{t^o}{--->}xFe+yH_2O\)
Đúng 3
Bình luận (0)
