第6页

信息发布者:
C
C
C
$\ \text {Fe}_2\ \text {O}_3+\ \text {6HCl}\xlongequal[\ \ \ \ \ \ ]{}\ \text {2FeCl}_3+3\ \text {H}_2\ \text {O}$
$\ \text {CuO+2HCl}\xlongequal[\ \ \ \ \ \ ]{}\ \text {CuCl}_2+\ \text {H}_2\ \text {O}$
$\ \text {Mg+H}_2\ \text {SO}_4\xlongequal[\ \ \ \ \ \ ]{}\ \text {MgSO}_4+\ \text {H}_2↑$
$\ \text {CaCO}_3+2\ \text {HCl}\xlongequal[\ \ \ \ \ \ ]{\ \ \ \ \ \ }\ \text {CaCl}_2+\ \text {H}_2\ \text {O}+\ \text {CO}_2↑$
$\ \text {HCl+AgNO}_3\xlongequal[\ \ \ \ \ \ ]{}\ \text {AgCl}↓+\ \text {HNO}_3$
D
B
D
$\mathrm{NaClO}+2 \mathrm{HCl}=\mathrm{NaCl}+\mathrm{H}_{2} \mathrm{O}+\mathrm{Cl}_{2}↑$