A、CaCO<sub>3sub> B、Mg(OH)<sub>2sub> C、CaCO<sub>3sub>和Mg(OH)
A、CaSO<sub>4sub>、CaCO<sub>3sub> B、BaSO<sub>4sub>、Agcl C、NaOH、Ca(OH)<sub>2sub> D、NaOH、CaCO<sub>3sub>
A、Ca(OH)<sub>2sub>和CaCO<sub>3sub> B、CaO和CaCO<sub>3sub> C、CaO和Ca(OH)<sub>2sub> D、Ca(OH)<sub>2sub>和CaO
A、CaCO<sub>3sub>CaO+CO<sub>2sub>↑ B、CO<sub>2sub>+CaOH<sub>2sub>=CaCO<sub>3sub>↓+H<sub>2sub>O C、CaO+H<sub>2sub>O=CaOH<sub>2sub>
A、增加CaCO<sub>3sub>的量 B、降低CO<sub>2sub>的压力,减少CaO的量 C、降低CO<sub>2sub>的压力和温度 D、升高温度,降低CO<sub>2sub>的压力
A、CaCO<sub>3sub>+H<sub>3sub>PO<sub>4sub> B、Ca<sub>5sub>F(PO<sub>4sub>)<sub>3sub>+H<sub>2sub>SO<sub>4sub> C、CaF<sub>2sub>+H<sub>3sub>PO<sub>4sub> D、CaSO<sub>4sub>+H<sub>3sub>PO<sub>4sub>
A、MgO和CaCO<sub>3sub> B、K<sub>2sub>SO<sub>4sub>和HNO<sub>3sub> C、KNO<sub>3sub>和NaAc D、酒精和石油醚