問題詳情

21. When 6 M sodium hydroxide is added to an unknown white solid, the solid is dissolved.What is a possible identity for this solid?
(A) Mg(OH)2
(B) Al2(SO4)3
(C) BaCO3
(D) AgBr
(E) Ca3(PO4)2 

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)