皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
强酸滴定弱碱时,一般要求碱的离解常数与浓度的乘积达( ),才可能选择指示剂指示终点
A.
≥10⁻⁸
B.
<10⁻⁸
C.
≥10⁻²
D.
≥10⁻⁹
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】Dream is a story that a person “watches” or even takes part in during sleep. Dream s are imaginary, but they are related to real experience and needs in the dreamer’s life. They seem real while t...
【简答题】People wanted to know the secret of ( 1 ) , people who speak a lot of languages.so I decided to go there and ask them about the methods that they use.And as I was listening to these persons telling me...
【单选题】阅读材料,回答问题。 材料一:2010年11月2日,美国国会举行中期选举,在野党共和党以在众议院掌握多数、在参议院席位增长的结果成为最大赢家。这种“府会分立”的态势,使奥巴马的民主党政府面临更多掣肘。 材料二:从2011年开始,我国人大代表换届选举工作将自下而上陆续展开。新一届人民代表大会将在中国共产党的领导下,选举产生各级行政机关、审判机关和检察机关,决定全国和各级地方的一切重大事务。 两...
A.
①②
B.
②③
C.
①④
D.
③④
【判断题】消费活动中的角色有倡导者、影响者、决策者、购买者和使用者。
A.
正确
B.
错误
【判断题】水平角可以直接从仪器上读出来,不需要计算。
A.
正确
B.
错误
【单选题】转移 2C 需要转换能量 500J ,则电压为()。
A.
250V
B.
150V
C.
66.67V
D.
300V
【简答题】我国都实行()院制。
【简答题】Dream is story that a person " watches" or even takes part in during sleep. Dream s ar imaginary, but they are related to real experiences and needs in the dreamer's life. They seem real whil the...
【单选题】某人每年年末存入银行10000元,年利率是6%,求5年后的本利和。在这个题中,5年后的本利应该由10000乘以()
A.
年金现值系数
B.
单利现值系数
C.
年金终值系数
D.
复利终值系数
【单选题】In criminal cases,the availability of readable fingerprints is often critical in establishing evidence of a major crime.It is necessary,therefore,to follow proper procedures when taking fingerprints. ...
A.
no crimes can be solved without readable fingerprints.
B.
all persons who have touched an area in a crime scene are suspects.
C.
all fingerprints found at a crime scene are used in court as evidence.
D.
all persons who have touched a crimescene area should be fingerprinted.
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题