A.8g | B.16g | C.20g | D.40g |
A.19.6% | B.17.8% | C.16% | D.14.2% |
阳离子 | K+ Ag + Ba 2+ A13+ Fe3+ |
阴离子 | OH - C1 - SO4 2- NO3- CO32- |
A.甲醛 | B.甲酸甲酯 | C.乙酸乙酯 | D.葡萄糖 |
A.CH3CH2CH2OH | B.(CH3) 2CHCH(CH3) OH |
C.(CH3) 3COH | D.(CH3) 2CHOH |
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