A、Na<sub>2sub>S B、MgSO<sub>4sub> C、NH<sub>4sub>NO<sub>3sub> D、NaOH
A、NaOH,Mg(OH)<sub>2sub>,HCl B、BaCl<sub>2sub>,AgNO<sub>3sub>,HNO<sub>3sub> C、CaCl<sub>2sub>,K<sub>2sub>CO<sub>3sub>,HCl D、CuSO<sub>4sub>,NaOH,H<sub>2sub>SO<sub>4sub>
A、(CH<sub>3sub>)<sub>3sub>C-OH B、CH<sub>3sub>CH<sub>2sub>CHOHCH<sub>3sub> C、CH<sub>3sub>CH<sub>2sub>CH<sub>2sub>CH<sub>2sub>OH
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、Ca(OH)<sub>2sub>含量较低,结构较致密 B、Ca(OH)<sub>2sub>含量较高,结构较致密 C、Ca(OH)<sub>2sub>含量较高,结构不致密 D、Ca(OH)<sub>2sub>含量较低,结构不致密