A.等溫B.絕熱C.吸熱D.放熱
A.2CH3OH→CH3OCH3+H2OB.2CH3OH→C2H4+2H2OC.2CH3OH→CH4+2H2O+CD.CH3OH→CO+2H2
A.反應(yīng)、汽化B.汽化、精餾C.反應(yīng)、精餾D.洗滌、精餾