皮皮学，免费搜题
登录
搜题
【单选题】
在Ca2+ 和Mg2+ 混合液中用EDTA滴定Ca2+,要消除 Mg2+的干扰,宜采用( )A.
控制酸度法
B.
沉淀掩蔽法
C.
配位掩蔽法
D.
氧化还原掩蔽法
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】In case of poisoning, immediately give large quantities of soapy or salty water in order to ______ vomitting.
A.
control
B.
clean
C.
induce
D.
stop
【简答题】soapy water
【单选题】In case of poisoning, immediately give large quantities of soapy or salty water in order to ______ vomiting.
A.
induce
B.
inflict
C.
inhibit
D.
insulate
【简答题】On his bench in Madison Square Soapy moved uneasily, and he realized the fact that the time had come for him to provide against the coming winter. The winter ambitions of Soapy were not of the highest...
【判断题】Soapy tried to steal another man’s umbrella. And the victim of the umbrella theft quarrelled with Soapy .
A.
正确
B.
错误
【简答题】What was the biggest ambition for Soapy when winter came? How many attempts did Soapy make in order to get arrested? What are they?
【单选题】The road back home may be difficult before the Spring Festival, ______ the desire to get together with family members can never be stopped.
A.
while
B.
and
C.
but
D.
as
【简答题】One day, Mr Read and his son Robert were going out for a walk. He put on a pair of shoes together with a pair of different socks, one white and one yellow. As he came out of his house, his son noticed...
相关题目：