A:honor
B:danger
C:favor
D:memory
①在无隔膜、微酸性条件下,发生反应:NaCl+H2O﹣NaClO3+H2↑(未配平)
②在NaClO3溶液中加入KCl发生复分解反应,降温结晶,得KClO3.
③一定条件下反应:4KClO3 688K__ 3KClO4+KCl,将产物分离得到KClO4.
根据下列四则材料内容,选择正确答案。
(A) For Sale
Bicycle made in China
Good condition
Zhang Ying, 306, dormitory(寝室)4
(B) Roommate Wanted
Male(男)—English native speaker
wanted to share a 2- bedroom apartment
near campus(校园), washer, dryer, kitchen
Call Li, 288-940605 any evening after 5
(C) Lost
Black briefcase(公文包)with 3 books on physics
Call: John Smith 843-3160645
(D) Found
Brown briefcase with some money
See: Joseph Hofman in Chemistry Dept(系)