A:常温下,MgO(s)+C(s)=Mg(s)+CO(g)不能自发进行,则其△H>0
B:在NaCl和KBr的混合溶液中滴加AgNO3溶液,一定先产生淡黄色沉淀
C:加热0.1 mol•L﹣1Al2(SO4)3溶液,Al3+水解程度增大,溶液的酸性增强
D:常温下,pH=11的NaOH溶液与pH=3的醋酸等体积混合后所得溶液显酸性
Lily is writing to her best friend ____ ____.
Don't forget to ____ ____ others when you do something wrong.