1) $Cu_{}$ $+$ $H_{2}SO_{4} (đặc)$ $\longrightarrow$ $CuSO_{4}$ $+$ $H_{2}O$ $+$ $SO_{2}$
2) $2$$Fe_{}$ $+$$6$ $H_{2}SO_{4} (đặc)$ $\longrightarrow$ $Fe_{2}(SO_{4})_{3}$ $+$ $6$$H_{2}O$ $+$$3$ $SO_{2}$
3) $8$$Al_{}$ $+$ $15$$H_{2}SO_{4} (đặc)$ $\longrightarrow$ $4$$Al_{2}(SO_{4})_{3}$ $+$$12$ $H_{2}O$ $+$$3$ $H_{2}S$
4)$3$ $Zn_{}$ $+$ $4$$H_{2}SO_{4} (đặc)$ $\longrightarrow$$3$ $ZnSO_{4}$ $+$$4$ $H_{2}O$ $+$ $S$
5) ) $Mg_{}$ $+$ $H_{2}SO_{4} (đặc)$ $\longrightarrow$ $CuSO_{4}$ $+$ $H_{2}O$ $+$ $SO_{2}$ ( phản ứng ko xảy ra )
