氢氧化铁胶体逐滴加入下列溶液,先产生沉淀后沉淀溶解的是 [ ]
A.稀硫酸
B.酒精
C.饱和硫酸钠溶液
D.氯化钠溶液
答案:A
Explain the jurisdiction of the following courts:
(b) the Supreme Court of Cyprus; and (4 marks)
穿带时若发生卡钢如何处理?