皮皮学，免费搜题
登录
搜题
【单选题】
25 ℃时，0.1 mol·L -1 的盐酸中，水的离子积为（ ）A.
1×10 -13
B.
1×10 -15
C.
1×10 -14
D.
5×10 -12
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】写出下列常量和变量的定义式:无符号整型变量i、j( )、带符号的长整型变量sl( )。
【简答题】After she did a lot of shopping , Mrs. Smith came out of the shop and started to walk to the bus stop. Her bag was so that she had to rest for a few minutes. She stopped a new and bright car. It was j...
【简答题】请将4.3知识点线上两题的作图题按要求拍照提交至此处。
【简答题】Jenny gets up early in the morning.She has her breakfast and goes to school.She walks to the bus stop and takes a bus.She gets to school at about half past seven. Jenny is never late for school.She li...
【单选题】The bus _____ suddenly when a group of students ran onto the road. [ ]
A.
stops
B.
stopped
C.
has stopped
D.
is stopping
【单选题】亚硝酸钠滴定法测定含芳伯氨基或水解后可产生含芳伯氨基化合物的药物含量过程中,为加速反应速率,可加人适量( )。
A.
KBrO 3 溶液
B.
KBr+KBrO 3 溶液
C.
KBr固体
D.
碘液
E.
溴水
【单选题】亚硝酸钠滴定法测定含芳伯氨基或水解后可产生含方芳伯氨基化合物的药物含量过程中,为加速反应速率可加入适量的
A.
KBrO3溶液
B.
kBr+KBrO3
C.
KBr固体
D.
碘液
E.
溴水
相关题目：
参考解析：
知识点：
题目纠错 0
发布
