下列物质属于酯类的是①豆油 ②甘油 ③牛油 ④溶剂油 ⑤汽油 ⑥菜

下列物质属于酯类的是①豆油 ②甘油 ③牛油 ④溶剂油 ⑤汽油 ⑥菜籽油 ⑦润滑油

A.②③④⑦       B.①③⑥        C.⑤⑥⑦      D.②⑤

 

答案

B

解析:

 

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