A.原子 | B.分子 | C.元素 | D.非金属 |
A.232:72 | B.72:232 | C.29:27 | D.160:72 |
A.C2H2 | B.CH4 | C.CH3OH | D.C2H5OH |
A.NH4HCO3(17%) | B.CO(NH)2(46.7%) | C.NH4NO3(35%) | D.NH4Cl(26%) |
A.该酒在53℃的条件下酿制的 |
B.该酒的着火点是53℃ |
C.100g该酒中含有53g酒精 |
D.100mL该酒中含有53mL酒精 |
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