A、CS<sub>2sub>+H<sub>2sub>O→COS+H<sub>2sub>S B、CS<sub>2sub>+2H<sub>2sub>O→CO<sub>2sub>+2H<sub>2sub>S C、CS<sub>2sub>+H<sub>2sub>O→CO+H<sub>2sub>S D、2CS<sub>2sub>+H<sub>2sub>O→2COS+<sub>2sub>
A、CS<sub>2sub>+H<sub>2sub>O→COS+H<sub>2sub>S B、CS<sub>2sub>+2H<sub>2sub>O→CO<sub>2sub>+2H<sub>2sub>S C、CS<sub>2sub>+H<sub>2sub>O→CO+H<sub>2sub>S D、2CS<sub>2sub>+H<sub>2sub>O→2COS+<sub>2sub>
A、H<sub>2sub>S+1/2O<sub>2sub>=1/2S<sub>2sub>+H<sub>2sub>S B、CH<sub>4sub>+2O<sub>2sub>=CO<sub>2sub>+2H<sub>2sub>O C、2H<sub>2sub>S+3O<sub>2sub>=2SO<sub>2sub>+2H<sub>2sub>O D、COS+H<sub>2sub>O=CO<sub>2sub>+H<sub>2sub>S
A、H<sub>2sub>O(l)  H<sub>2sub>O(g)  H<sub>2sub>O(s) B、Cl<sub>2sub>(l)   Br<sub>2sub> (l)   I<sub>2sub>(s) C、Na(s)   NaCl(s)  CaCl<sub>2sub>(s) D、O<sub>3sub>(g)   O<sub>2sub>(g)    O(g)
A、H<sub>2sub>S<sub>2sub>O<sub>6sub> B、H<sub>2sub>SO<sub>4sub> C、H<sub>2sub>SO<sub>3sub> D、H<sub>2sub>S<sub>2sub>O<sub>7sub>
A、CO<sub>2sub>+H<sub>2sub>S→CS<sub>2sub>+2H<sub>2sub>O B、CO<sub>2sub>+2S→CS<sub>2sub>+O<sub>2sub> C、CO<sub>2sub>+2H<sub>2sub>S→CS<sub>2sub>+H<sub>2sub>O D、CO<sub>2sub>+2H<sub>2sub>S→CS<sub>2sub>+2H<sub>2sub>O
A、H<sub>2sub>S和OH<sup>-sup> B、H<sub>2sub>S和HS<sup>-sup> C、H<sub>2sub>O和HS<sup>-sup> D、H<sub>2sub>S和H<sub>2sub>O
A、S和H<sub>2sub>O B、S和SO<sub>2sub> C、SO<sub>2sub>和H<sub>2sub>O D、S和SO
A、H<sub>2sub>S、 C<sub>2sub>O<sub>4sub><sup>2-sup>、 HCO<sub>3sub><sup>-sup> B、HPO<sub>4sub><sup>2-sup>、 NH<sub>4sub><sup>+sup>、 [Fe(H<sub>2sub>O)<sub>6sub>]<sup>3+sup> C、Na(S)、BF<sub>3sub>、H<sub>2sub>O D、NH<sub>4sub><sup>+sup>、CO<sub>3sub><sup>2-sup>、H<sub>2sub>O
A、H<sub>2sub>S结构与H<sub>2sub>O相似 B、H<sub>2sub>S为极性分子,极性比水弱 C、常温常压下,H<sub>2sub>S为无色无毒气体 D、常温常压下,H<sub>2sub>S为臭鸡蛋气味气体
A、H<sub>2sub>CO<sub>3sub>和HCO<sub>3sub><sup>-sup> B、H<sub>2sub>S和S<sup>2-sup> C、NH<sub>4sub><sup>+sup>和NH<sub>3sub>.H<sub>2sub>O D、H<sub>3sub>O<sup>+sup>和OH<sup>-sup>