下列物质属于有机物的是 A.C2H6       B.CO      C.NaHCO3    

下列物质属于有机物的是

A.C2H6       B.CO      C.NaHCO3       D.C2H5OH

答案

AD

相关题目

It is five years now since I graduate from No. 3 High School. Last Saturday, th
It is five years now since I graduate from No. 3 High School. Last Saturday, the class that I was on held a get-together, which took us a long time prepare. It was indeed not easy to get in the touc
—Are you sure the delegation will come to our school next week? —___________
—Are you sure the delegation will come to our school next week? —____________.The head of it has just emailed me about the departure time of their flight.        A.No wonder      
图A和图B依次为细菌和洋葱表皮细胞的结构模式图,请据图回
图A和图B依次为细菌和洋葱表皮细胞的结构模式图,请据图回答:   (1)图A表示的细菌是           (原核、真核)生物,其结构必须利用_________
下列图像不能正确反映其对应变化关系的是 A          
下列图像不能正确反映其对应变化关系的是 A                   B                 C                     D A.用等质量、等
下列实验能达到预期目的的是(    ) ①用乙醇和浓硫酸除去
下列实验能达到预期目的的是(    ) ①用乙醇和浓硫酸除去乙酸乙酯中的少量乙酸  ②将Cl2的制备和性质实验联合进行以减少实验中的空气污染  ③用
“低钠盐”可以控制钠的摄入量从而防治高血压等疾病.制
“低钠盐”可以控制钠的摄入量从而防治高血压等疾病.制备“低钠盐”在食盐中用NaCl中按照配方比例添加食用KCl.国内某些生产厂家为改变“低钠盐
阅读下面的文言文,完成小题 奚陟,字殷卿,亳州人也。少
阅读下面的文言文,完成小题 奚陟,字殷卿,亳州人也。少好读书,登进士第,又登制举文词清丽科。授弘文馆校书,寻拜大理评事。佐入吐蕃使,不
同温同压下,两个等体积的干燥圆底烧瓶中分别充满①NH3 
同温同压下,两个等体积的干燥圆底烧瓶中分别充满①NH3  ②NO2,进行喷泉实验,经充分反应后,瓶内溶液的物质的量浓度为(    ) A.①>②     

最新题目