取a g某物质在氧气中完全燃烧,将其产物跟足量的过氧化钠固体完全

a g某物质在氧气中完全燃烧,将其产物跟足量的过氧化钠固体完全反应,反应后固体的质量恰好也增加了a g。下列物质中不能满足上述结果的是

  A.H2            B.CO       C.C6H12O6       D.C2H4O

答案

D

相关题目

根据下面的报道,概括说明研究人员试验取得的结果。(不
根据下面的报道,概括说明研究人员试验取得的结果。(不超过25个字) 希腊亚里士多德大学研究人员对28名吸烟者和34名不吸烟者进行了试验。研究人
如图2-2,已知正方体ABCD—A1B1C1D1的棱长为a,求点C到平面A1BD的距
如图2-2,已知正方体ABCD—A1B1C1D1的棱长为a,求点C到平面A1BD的距离.图2-2
                       ,闲敲棋子落灯花。(赵
                       ,闲敲棋子落灯花。(赵师秀《约客》)
在Rt△ABC中,a=5, b=3,c=4,则cosB=  ■.
在Rt△ABC中,a=5, b=3,c=4,则cosB=  ■.
Hello, boys and girls. My name is Li Qiang. My English name is Michael. I am fr
Hello, boys and girls. My name is Li Qiang. My English name is Michael. I am from Shanghai, China. I am eleven years old. Now I am in No.1 Middle School. I am in Class Three, Grade Seven. My new QQ
硝酸钾、氯化钾的溶解度曲线如图1所示。 (1)P点的含义是
硝酸钾、氯化钾的溶解度曲线如图1所示。 (1)P点的含义是______。 (2)当温度______时,氯化钾的溶解度大于硝酸钾的溶解度。 (3)t2℃时,分别将30g
Although he is considered a great writer, ________ A. his works are not widely r
Although he is considered a great writer, ________ A. his works are not widely read                B. but his works are not widely read C. however his works are not widely read    
依次填入下面横线处的词语,最恰当的一项是     ①目前,
依次填入下面横线处的词语,最恰当的一项是     ①目前,山东省政府没有   任何地震预报,因此,社会上传播的我市可能发生地震的说法均属谣言

最新题目