第三章单元测试
- The oxidation state of the underlined element KO2 is -1/2.（ ）
- The mass percent O in the mineral malachite, Cu2(OH)2CO3 (Cu=64) is 33.04%.（ ）
- The empirical formula of Pentane is CH.（ ）
- C6H10O2 has the same empirical formula as aspidinol, C12H16O4 , a drug used to kill parasitic worms.（ ）
- CH3CH(CH2CH3)CH2OH and CH3CH2CH2CH2CH2OH are isomers.（ ）
A:错 B:对
答案:对
A:错 B:对
A:错 B:对
A:对 B:错
A:错 B:对
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