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【简答题】
（共7分）欲配制 250 mL0.1 mol·L -1 的NaOH溶液，回答下列问题： (1)写出图4-1仪器的名称 ，使用此仪器前要检查它是否 。 (2)用托盘天平称取NaOH固体的质量 g。 (3)转移溶液时，已冷却的NaOH溶液沿 注入右图所示的仪器中。 (4)若称量前NaOH已部分潮解，则配制的溶液的浓度 （偏大或偏小）。 (5)在配制该NaOH溶液时必须用到的实验仪器是（填序号） 。（2分） ①500mL的量筒 ②烧杯 ③托盘天平 ④250mL的容量瓶 ⑤玻璃棒 ⑥1000mL的容量瓶 ⑦胶头滴管 ⑧250mL的量筒
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参考答案：
举一反三
【多选题】四种气质类型是?
A.
胆汁质
B.
多血质
C.
黏液质
D.
抑郁质
查看完整题目与答案
【单选题】现在是9时7分，再过2分是 [     ]
A.
9：05
B.
11：07
C.
9：09
查看完整题目与答案
【单选题】What can researchers do with the garbage on the moon?
A.
Record details of space exploration.
B.
Monitor the change of lunar weather.
C.
Study the effect of radiation and vacuum on its materials.
D.
Explore the possibility of human settlement on the moon.
查看完整题目与答案
【单选题】2408＞2□09，□里可以填（　　）
A.
1
B.
4
C.
5
D.
9
查看完整题目与答案
【单选题】What do people generally believe about aging?
A.
It should cause no alarm whatsoever.
B.
They just cannot do anything about it.
C.
It should be regarded as a kind of disease.
D.
They can delay it with advances in science.
查看完整题目与答案
【多选题】普通II类胶合板即耐水胶合板,适用条件有()。
A.
潮湿条件下使用
B.
室外条件下使用
C.
能通过煮沸试验
D.
能通过63°C土3°C热水浸渍
E.
干燥条件下使用'治
查看完整题目与答案
【多选题】普通II类胶合板即耐水胶合板,适用条件有( )。
A.
潮湿条件下使用
B.
室外条件下使用
C.
能通过煮沸试验
D.
能通过63℃±3℃热水浸渍试验
E.
干燥条件下使用
查看完整题目与答案
【单选题】What is the comment made in the passage on Futurist poetry?
A.
Too emotional.
B.
Too new in type to be acceptable.
C.
Not literature as he knows it.
D.
Essential to basic change in the nature mankind.
查看完整题目与答案
【单选题】What do futurists dream of?
A.
Owning a personal airplane.
B.
Attending to the duties of a pilot.
C.
Making planes with automatic piloting.
D.
Flying an airplane by themselves.
查看完整题目与答案
【单选题】What do we learn about the road test?
A.
The license office provides the test vehicle.
B.
The examiner shows how to start, stop or park.
C.
The examiner watches you driving in your car.
D.
The test is carried out where there is little traffic.
查看完整题目与答案
相关题目：
【多选题】四种气质类型是?
A.
胆汁质
B.
多血质
C.
黏液质
D.
抑郁质
查看完整题目与答案
【单选题】现在是9时7分，再过2分是 [     ]
A.
9：05
B.
11：07
C.
9：09
查看完整题目与答案
【单选题】What can researchers do with the garbage on the moon?
A.
Record details of space exploration.
B.
Monitor the change of lunar weather.
C.
Study the effect of radiation and vacuum on its materials.
D.
Explore the possibility of human settlement on the moon.
查看完整题目与答案
【单选题】2408＞2□09，□里可以填（　　）
A.
1
B.
4
C.
5
D.
9
查看完整题目与答案
【单选题】What do people generally believe about aging?
A.
It should cause no alarm whatsoever.
B.
They just cannot do anything about it.
C.
It should be regarded as a kind of disease.
D.
They can delay it with advances in science.
查看完整题目与答案
【多选题】普通II类胶合板即耐水胶合板,适用条件有()。
A.
潮湿条件下使用
B.
室外条件下使用
C.
能通过煮沸试验
D.
能通过63°C土3°C热水浸渍
E.
干燥条件下使用'治
查看完整题目与答案
【多选题】普通II类胶合板即耐水胶合板,适用条件有( )。
A.
潮湿条件下使用
B.
室外条件下使用
C.
能通过煮沸试验
D.
能通过63℃±3℃热水浸渍试验
E.
干燥条件下使用
查看完整题目与答案
【单选题】What is the comment made in the passage on Futurist poetry?
A.
Too emotional.
B.
Too new in type to be acceptable.
C.
Not literature as he knows it.
D.
Essential to basic change in the nature mankind.
查看完整题目与答案
【单选题】What do futurists dream of?
A.
Owning a personal airplane.
B.
Attending to the duties of a pilot.
C.
Making planes with automatic piloting.
D.
Flying an airplane by themselves.
查看完整题目与答案
【单选题】What do we learn about the road test?
A.
The license office provides the test vehicle.
B.
The examiner shows how to start, stop or park.
C.
The examiner watches you driving in your car.
D.
The test is carried out where there is little traffic.
查看完整题目与答案
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