试题 试卷
题型:填空题 题类:常考题 难易度:普通
(1)NaCl
(2)H2SO4
NaHCO3{#blank#}1{#/blank#},CH3COOH:{#blank#}2{#/blank#},NH3•H2O:{#blank#}3{#/blank#},H2CO3:{#blank#}4{#/blank#}.
试题篮