A 乙酸 B 甘油 C 甲醇 D 乙酸乙酯

A 乙醇 B 苯酚 C 乙酸 D 乙酸乙酯

A <img src="https://www.beizhujiaoyu.com/uploads/202208/2013011013260530530.jpg" alt="" border="0" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110132634483448.jpg" alt="" border="0" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110132667436743.jpg" alt="" border="0" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110132687558755.jpg" alt="" border="0" />

A 钠 B 碳酸钠 C CuO D <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110132678147814.jpg" alt="" border="0" />

A 乙醇和水 B 乙醛和水 C 乙酸乙酯和水 D 苯和苯酚

A <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110132624362436.jpg" alt="" border="0" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110132671117111.jpg" alt="" border="0" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110132647854785.jpg" alt="" border="0" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110132730293029.jpg" alt="" border="0" />

A 乙醇和乙醚 B <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110132768006800.jpg" alt="" border="0" /> C 甲酸甲酯和乙酸 D 丙醛和丙酮

A 一氧化碳 B 二氧化硫 C 甲醛等有机物 D 臭氧

A <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110164421012101.jpg" alt="" border="0" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110164772547254.jpg" alt="" border="0" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110164774567456.jpg" alt="" border="0" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/20130110164734353435.jpg" alt="" border="0" />

A A分子是由4个原子构成的 B A的相对分子质量是30 C A中碳的质量分数是40% D A分子中含有甲基