【判断题】
查看正确答案A、 H<sub>2sub>+CO<sub>2sub> B、 N<sub>2sub>+O<sub>2sub> C、 H<sub>2sub>+CO
搜题
更多“在生产中如发现H<sub>2</sub>O<sub>2</sub>浓度超过50%，加水把其稀释到合格的范围。”相关的问题
第2题
A、H<sub>2sub>→C<sub>2sub>H<sub>4sub>→C<sub>3sub>H<sub>6sub>→C<sub>2sub>H<sub>2sub>→CO B、H<sub>2sub>→CO→C<sub>2sub>H<sub>4sub>→C<sub>3sub>H<sub>6sub>→C<sub>2sub>H<sub>2sub> C、H<sub>2sub>→C<sub>2sub>H<sub>4sub>→C<sub>3sub>H<sub>6sub>→CO→C<sub>2sub>H<sub>2sub> D、CO→H<sub>2sub>→C<sub>2sub>H<sub>4sub>→C<sub>3sub>H<sub>6sub>→C<sub>2sub>H<sub>2sub>
第3题
A、H<sub>1sub>、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub> B、H<sub>1sub>、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub>A C、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub>、H<sub>4sub> D、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub>A、H<sub>4sub>
第4题
A、CH<sub>4sub>、CO、C<sub>2sub>H<sub>4sub>、C<sub>2sub>H<sub>6sub> B、CH<sub>4sub>、CO、C<sub>2sub>H<sub>4sub>、C<sub>2sub>H<sub>6sub>、C<sub>2sub>H<sub>2sub> C、CH<sub>4sub>、C<sub>2sub>H<sub>2sub>、C<sub>2sub>H<sub>4sub>、C<sub>2sub>H<sub>6sub> D、CO、CO<sub>2sub>、H<sub>2sub>、CH<sub>4sub>、C<sub>2sub>H<sub>4sub>、C<sub>2sub>H<sub>6sub>
第5题
A、△H<sub>1sub>〈△H<sub>2sub>，W<sub>1sub>〉W<sub>2sub> B、△H<sub>1sub>〉△H<sub>2sub>，W<sub>1sub>〈W<sub>2sub> C、△H<sub>1sub>〈△H<sub>2sub>，W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>〉△H<sub>2sub>，W<sub>1sub>〉W<sub>2sub>
第6题
A、△H<sub>1sub>〉△H<sub>2sub>，W<sub>1sub>〈W<sub>2sub> B、△H<sub>1sub>〈△H<sub>2sub>，W<sub>1sub>〉W<sub>2sub> C、△H<sub>1sub>=△H<sub>2sub>，W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>=△H<sub>2sub>，W<sub>1sub>〉W<sub>2sub>
第7题
A、△H<sub>1sub>+ △H<sub>2sub>+△H<sub>3sub> =△H<sub>4sub> B、△H<sub>1sub>+ △H<sub>2sub> = △H<sub>3sub> +△H<sub>4sub> C、（△H<sub>1sub>+ △H<sub>2sub>）－（△H<sub>3sub> +△H<sub>4sub>）=△H<sub>5sub> D、△H<sub>1sub>＋△H<sub>2sub>＋△H<sub>3sub>＋△H<sub>4sub> =△H<sub>5sub>
第8题
A、H<sub>2sub>；CH<sub>4sub>；C<sub>2sub>H<sub>2sub>；C0 B、H<sub>2sub>；C<sub>2sub>H<sub>2sub> C、H<sub>2sub>
第9题
A、H<sub>2sub>，CH<sub>4sub>，C<sub>2sub>H<sub>2sub>，C0 B、H<sub>2sub>，C<sub>2sub>H<sub>2sub> C、H<sub>2sub>
第10题
A、∆H<sub>3sub>=∆H<sub>1sub>+∆H<sub>2sub> B、∆H<sub>3sub>=∆H<sub>1sub>-∆H<sub>2sub> C、∆H<sub>3sub>=∆H<sub>2sub>-∆H<sub>1sub> D、∆H<sub>3sub>=2∆H<sub>1sub>-∆H<sub>2sub>
