挑战习题
1/5单选题
难度:

1.下列物质中属于有机物的是
A 乙炔(C2H2
B 氰酸铵(NH4CNO)
C 氰化钾(KCN)
D 小苏打(NaHCO3
提示1:
5pyJ5py654mp5piv5oyH5aSn5aSa5pWw5ZCr56Kz5YyW5ZCI54mp77yM5L2G5piv5pyJ5Lqb5Z+65Zui6Zmk5aSW44CC
提示2:
56Kz6YW45qC544CB56Kz6YW45rCi5qC544CB5LqM5rCn5YyW56Kz44CB5LiA5rCn5YyW56Kz44CB5rCw6YW45qC544CBQ07nrYnkuI3lsZ7kuo7mnInmnLrnianjgII=
正确答案:QQ==
56Kz6YW45rCi5qC544CBQ07jgIFDTk/nrYnkuI3lsZ7kuo7mnInmnLrnianjgILmlYXmnKzpopjkuK3lj6rmnInkuZnngpTlsZ7kuo7mnInmnLrnianjgILpgInmi6lB6aG544CC