【单选题】【消耗次数：1】
下列物质存放方法正确的是（）。
①
少量的钠保存在无水乙醇中
②
药品柜的同一层不可存放浓硝酸和浓氨水
③
硅酸钠溶液保存在玻璃塞的试剂瓶中
④
少量白磷保存在二硫化碳中
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【多选题】
下列化学药品保存方法中合要求的是（）
①
A避免阳光直接照射
②
B易燃、易爆等危险物品必须单独存放
③
C易挥发、腐蚀类药品应分别密封保存
④
D药品只需分类摆放、不须作特别规定
【单选题】
下列关于试剂保存说法不正确的是()
①
易燃品和剧毒品应单独保存
②
氨水和盐酸等挥发性药品可以与其他试剂-同保存在试剂橱中
③
见光易分解的试剂应当放在棕色瓶中或用黑色的纸套好,贮存在黑暗的地方
④
过氧化氢、高氯酸都须要避光保存
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all of their homes
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all their homes
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whose all homes
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have to pay a fine
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living on ones knees
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met
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more than to go
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