【单选题】【消耗次数:1】
理想的器械消毒药可选用
乙醇
过氧化氢
碘附
碘酊
戊二醛
参考答案:
复制
纠错
相关题目
【单选题】 过氧化氢可以电离出氢离子,因此过氧化氢是()酸。
①  一元酸
②  弱酸
③  三元酸
④  二元酸
【单选题】 过氧化氢可以与水互溶,是因为过氧化氢可以雨水形成()。
①  氢键
②  共价键
③  氧气
④  相应化合物
【单选题】 过氧化氢由于见光易分解,因此贮存在()。
①  棕色瓶
②  广口瓶
③  容量瓶
④  锥形瓶
【单选题】 用于根管冲洗剂的过氧化氢溶液浓度是
①  1%
②  15%
③  20%
④  30%
⑤  3%
【单选题】 用于根管冲洗剂的过氧化氢溶液浓度是
①  1%
②  15%
③  2%
④  30%
⑤  3%
【单选题】 过氧化氢置于阴凉处保存,同时加少许()以抑制分解。
①  还原剂
②  抑制剂
③  氧化剂
④  催化剂
【单选题】 过氧化氢异丙苯的分解反应中,所使用的催化剂为( )。
①  硫酸
②  磺酸型离子交换树脂
③  丙烯醛
④  丙腈
【单选题】 酸性条件下,KBr 被过氧化氢氧化,产物溶于四氯化碳,显( )色。
① 
②  橙红
③ 
④ 
【判断题】 不对称烯烃与乙硼烷加成后再过氧化氢碱性水解得反马氏规则产物。
①  正确
②  错误
【单选题】 以下哪种消毒药物,对组织刺激小,可以用于创面及黏膜的消毒药
①  75%乙醇
②  2%戊二醛
③  50%乙醇
④  2%碘酊
⑤  1%过氧化氢
随机题目
【单选题】 They invited the three of ____, Bob, Joe, and ____.
①  us…me
②  we… we
③  us…I
④  we…I
【单选题】 His explanation is not at all clear. I find it ____.
①  essential
②  confusing
③  awful
④  puzzled
【单选题】 Things never went _____ as we had expected
①  so smoothly
②  smooth
③  so smooth
④  smoothly
【单选题】 Everyone of them _______ tired and wanted a good rest.
①  seems
②  is seemed
③  was seemed
④  seemed
【单选题】 Peter: How about going to the movies tonight then?Mary: ____
①  I don’t know.
②  The movie is very interesting.
③  That sounds good.
④  The movie is very boring.
【单选题】 John was going to _______ Mary by telling his friends how much weight she had gained.
①  essential
②  embarrass
③  elementary
④  consider
【单选题】 The classroom is quite clean ____ some waste paper on the floor.
①  without
②  besides
③  except
④  except for
【单选题】 -- What day is today?-- Today is ______ .
①  March 25th
②  Saturday
③  fine
④  cold
【单选题】 All the men were under heavy____ working day and night
①  prize
②  rain
③  pressure
④  reward
【单选题】 —I’ve got an offer in New York. —Oh, ____! But I’m going to miss you.
①  That’s too bad
②  I’m sorry
③  I beg your pardon
④  That’s great