题型:选择题 难度:★★★★★ 7万热度
下列有关说法正确的是A. 加酶洗衣粉可以很好地洗涤毛织品上的污渍B. 生物柴油与由石油炼得的柴油都属于烃类物质C. 氯水
A. 加酶洗衣粉可以很好地洗涤毛织品上的污渍
B. 生物柴油与由石油炼得的柴油都属于烃类物质
C. 氯水放置数天后,漂白性和酸性均减弱
D. 绿色化学的核心是从源头上减少和消除化工生产对环境的污染
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题型:选择题 难度:★★★★★ 7万热度
本题目来自[12题库]本页地址:https://m.12tiku.com/newtiku/214486/12308814.html
Name | Country | Age | Language | Favourite subjects | Hobbies |
Mike | UK | 11 | English, Chinese | Maths and History | Running, play |
My e-friend
I have an e-friend. His name is Mike.
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