【单选题】【消耗次数:1】
3. 制备液体制剂首选的溶剂应该是
乙醇
PEG
纯化水
丙二醇
二甲基亚砜
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相关题目
【单选题】 制备液体药剂首选溶剂是
①  蒸馏水
②  丙二醇
③  甘油
④  注射用油
【单选题】 2,2-二甲基丙烷的一溴代烷有( )
①  1种
②  2种
③  3种
④  4种
【单选题】 某烯烃与氢气加成后得到2,2-二甲基丁烷,该烃的名称是
①  3,3,3-三甲基-1-丁炔
②  2,2-二甲基-2-丁烯
③  2,2-二甲基-1-丁烯
④  3,3-二甲基-1-丁烯
【单选题】 某烯烃与H2加成后得到2,2-二甲基丁烷,该烯烃的名称是( )。
①  2,2-二甲基-3-丁烯
②  2,2-二甲基-1-丁烯
③  3,3-二甲基-1-丁烯
④  2,2-二甲基-2-丁烯
【判断题】 3. 栓剂制备时的药材处理原则应该是尽可能的缩小体积。
①  正确
②  错误
【单选题】 2. 下列可以作为液体制剂溶剂的是
①  PEG 2000
②  PEG 300~400
③  PEG 4000
④  PEG 6000
⑤  PEG 3000
【判断题】 不含α-H的醛,如甲醛、苯甲醛、2,2-二甲基丙醛等不发生羟醛缩合反应。
①  正确
②  错误
【多选题】 液体制剂中乙醇量测定法常采用
①  滴定分析法
②  高效液相色谱法
③  气相色谱法
④  蒸馏法
⑤  紫外可见分光光度法
【单选题】 药物以分子或离子状态分散在溶剂中形成的均相液体制剂,称为( )。
①  固体分散体
②  真溶液型液体制剂
③  混悬液型液体制剂
④  乳浊液型液体制剂
⑤  胶体溶液型液体制剂
【判断题】 29. PEG300、400化学性质稳定,与水、乙醇相混合,常作为注射用溶剂。
①  正确
②  错误
随机题目
【单选题】 Which sentence is correct?
①  Afer finishing her composition, she took up the translation exercise.
②  Afer finishing her composition, the translation exercise was taken up.
【单选题】 Which sentence is correct?
①  Hurrying to the classroom, no one was there.
②  Hurrying to the classroom, she saw nobody there.
【单选题】 Ill visit you whenever I will get the chance. Identify the mistake in the sentence.
①  visit
②  whenever
③  will
④  chance
【单选题】 It is difficult for us to learn a lesson in life [] youve had that lesson.
①  until
②  after
③  when
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【单选题】 Danish bacon and eggs [] a good solid English breakfast.
①  makes
②  make
【单选题】 She happily deposits the money she has earned teaching English in her savings account. Find any misplaced modifier in the sentence
①  happily
②  she has earned
③  in her savings account
【单选题】 Well have a picnic in the park this Saturday [] it rains or it is very cold.
①  since
②  if
③  until
④  unless
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①  is
②  are
【单选题】 There were some chairs left over[] everyone had sat down.
①  when
②  until
③  that
④  where
【单选题】 These candidates have vague notions of serving the company, [] they have never taken trouble to find out the actual tasks they will be required to do.
①  or
②  and
③  but
④  so