A、CH<sub>4sub>、H<sub>2sub>; B、CO<sub>2sub>、CH<sub>4sub>; C、CO<sub>2sub>、H<sub>2sub>S; D、CH<sub>4sub>、H<sub>2sub>S。
A、CH<sub>4sub>、H<sub>2sub>; B、CO<sub>2sub>、CH<sub>4sub>; C、CO<sub>2sub>、H<sub>2sub>S; D、CH<sub>4sub>、H<sub>2sub>S。
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、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、预硫化时 B、钝化时 C、H<sub>2sub>S/SO<sub>2sub>比值高时 D、H<sub>2sub>S/SO<sub>2sub>比值低时
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<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、H<sub>2sub>S B、H<sub>2sub> C、CO<sub>2sub> D、S
A、SO<sub>2sub>、H<sub>2sub>S、N<sub>2sub>、Cl<sub>2sub> B、SO<sub>2sub>、NO<sub>xsub>、H<sub>2sub>S C、NO<sub>xsub>、CO、Cl<sub>2sub>、SO<sub>2sub> D、SO<sub>2sub>、H<sub>2sub>S、NO<sub>xsub>、Cl<sub>2sub>、O<sub>3sub>
A、H<sub>1sub>灯立即发亮、H<sub>2sub>灯逐渐变亮 B、H<sub>1sub>灯和H<sub>2sub>灯都立即发亮 C、H<sub>1sub>灯和H<sub>2sub>灯都逐渐变亮 D、H<sub>1sub>灯逐渐变亮、H<sub>2sub>立即发亮