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信息发布者:
C
B
$ \ \text {Ca(OH)}_2+2\ \text {HCl}\xlongequal[\ \ \ \ \ \ ]{}\ \text {CaCl}_2+2\ \text {H}_2\ \text {O}$
氢氧化钙溶液
稀盐酸
​$ \mathrm{ CaCl_2 } 、$​​$\mathrm {HCl}_{}$​
盐酸
​$\ \text {Al(OH)}_3+3\ \text {HCl}$​
​$\xlongequal[\ \ \ \ \ \ ]{}\ \text {AlCl}_3+3\ \text {H}_2\ \text {O}$​
$ \ \text {CaO}+\ \text {H}_2\ \text {O}\xlongequal[\ \ \ \ \ \ ]{\ \ \ \ \ \ }\ \text {Ca(OH)}_2$
肥皂水
$ \ \text {Ca(OH)}_2+\ \text {H}_2\ \text {SO}_4\xlongequal[\ \ \ \ \ \ ]{}\ \text {CaSO}_4+2\ \text {H}_2\ \text {O}$
D
A
C