题目:
下列有关说法错误的是( )
A.NH3(g)+HCl(g)=NH4Cl(s)低温下能自发进行,说明该反应的△H<O
B.为保护海轮的船壳,常在船壳上镶入锌块
C.纯碱溶于热水中,去污效果增强,说明纯碱的水解是吸热反应
D.反应N2(g)+3H2(g)=2NH3 (g)(△H<0)达平衡后,降低温度,正反应速率增大、逆反应速率减小,平衡向正反应方向移动.
答案:
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