[单选题]N2H4+O2=N2+2H2O的反应中,N2H4是()。
[名词解释] 狼嚎lánɡ háo
[名词解释] 浩荡hào dànɡ
[名词解释] 剽悍piāo hàn
měi lì fù ráo de nán hǎi-|||-美丽富饶的南海-|||-zài zǔ guó de nán fāng yǒu yí piàn liáo
[单选题][C6H5N≡N]+Cl-+H2O→N2+()+HCl。A . C6H6B . C6H5OHC . C6H5NH2D . C6H5COOH
[名词解释] 赵匡胤hào kuāng yìn
路线如下:-|||-C2H5O-|||-Bn C3H3BrO 21 0 Bn-|||-C2H5O-|||-H B (D)-|||--C(H)_(3)cdot H
[名词解释] 烟波浩渺yān bō hào miǎo