A、CO<sub>2sub>浓度65%~85%,时间15~45S B、CO<sub>2sub>浓度100%,时间15~45S C、CO<sub>2sub>浓度21%,时间2~3S D、O<sub>2sub>浓度21%,时间2~3S
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、CO<sub>2sub> B、SO<sub>2sub> C、O<sub>2sub> D、H<sub>2sub>
A、CO+H<sub>2sub>S→COS+H<sub>2sub> B、2CO+H<sub>2sub>S→2COS+H<sub>2sub>O C、CO+S→COS D、CO+2S→2COS
A、 CO、H<sub>2sub> B、 CO、CO C、 H<sub>2sub>、CO D、 CO、CO<sub>2sub>
A、CO B、NH<sub>3sub> C、H<sub>2sub>S D、CH<sub>3sub>OH