下列说法正确的是 A.25℃时,在Mg(OH)2的悬浊液中加入少量的NH4Cl固

下列说法正确的是

A25℃时,在Mg(OH)2的悬浊液中加入少量的NH4Cl固体,c(Mg2)将减小

BSiO2(s)2C(s)Si(s)2CO(g)在常温下不能自发进行,则该反应的H0

C.常温下,NH4Cl溶液加水稀释,增大

DC(s)H2O(g)CO(g)H2(g)H0),其它条件不变时,升高温度,正反应速率增大、逆反应速率减小,平衡正向移动

答案

B

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