A、NaCl、NH<sub>3sub>、CO<sub>2sub> B、NaCl、石灰石 C、NaOH、CO<sub>2sub> D、NH<sub>3sub>、CO<sub>2sub>
A、NaCl、NH<sub>3sub>、CO<sub>2sub> B、NaCl、石灰石 C、NaOH、CO<sub>2sub> D、NH<sub>3sub>、CO<sub>2sub>
A、O<sub>2sub>,N<sub>2sub>,CO B、CO,CO<sub>2sub>,O<sub>2sub> C、CO<sub>2sub> D、N<sub>2sub>,CO,CO<sub>2sub>
A、CO、CO<sub>2sub>、O<sub>2sub> B、CO<sub>2sub>、O<sub>2sub>、CO C、O<sub>2sub>、CO、CO<sub>2sub> D、O<sub>2sub>、CO<sub>2sub>、CO
A、CaCO<sub>3sub>CaO+CO<sub>2sub>↑ B、CO<sub>2sub>+CaOH<sub>2sub>=CaCO<sub>3sub>↓+H<sub>2sub>O C、CaO+H<sub>2sub>O=CaOH<sub>2sub>
A、C+O<sub>2sub>→CO<sub>2sub>+Q,C+O<sub>2sub>→CO+Q B、CO<sub>2sub>+C→CO-Q,CO+H<sub>2sub>→CH<sub>4sub>+H<sub>2sub>O+Q. C、C+O<sub>2sub>→CO+Q,C+H<sub>2sub>O→CO+H<sub>2sub>-Q D、CO<sub>2sub>+C→CO-Q,C+H<sub>2sub>O→CO+H<sub>2sub>-Q