试题与答卷分析

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试题与答卷分析. 【2011 年第 9 题 】 某同学做氧化铜与稀硫酸反应的实验,操作示意图如下,其中操作有错误的是( ). 【2011 年第 10 题 】 下列物质的用途利用了其化学性质的是( ) A. 化工生产中以煤为原料制取甲醇( CH 3 OH ) B. 农业上常用生石灰改良酸性土壤 C. 工业上用一氧化碳作还原剂冶炼金属 D. 生活中用镶有金刚石的玻璃刀裁划玻璃. 【2011 年第 11 题 】 四位同学在一起讨论某物质,请根据他们的讨论判断该物质是( ). - PowerPoint PPT Presentation

Transcript of 试题与答卷分析

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    20119

    abcd9A23.791.421.80.919B2.589.84.42.41.80.9

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    201110 A.CH3OHB.C. D.

    abcd10A90.93.52.62.11.80.9110B2.13.43.789.81.80.9

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    201111

    abcd11A77.98.37.75.21.60.7811B4.97.28.478.51.60.78

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    201112

    A.126.953 B.537 C.KIO3, KIO3-1 D.

    abcd12A5.88.611.7731.50.7312B6.58.175.58.91.50.76

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    201113

    A.B.C.D.

    abcd13A6.711.617.463.41.30.6313B7.564.616.8101.30.65

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    201114 A. B. C. D.

    abcd14A20.88.363.46.51.30.6314B63.78.121.55.61.30.64

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    201115

    ANH4NO3K2SO4NaOHBaOH2BH2O2MnO2CD

    abcd15A14.146.413.2250.90.4615B14.91345.525.30.90.46

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    I1410.13672.43%0.72439100.8511120.70-0.81314150.7

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    201116IIIII1 2 3 II1 2 3K2SO4CO(NH2)2Ca(H2PO4)2

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    20111731020111Cu2OH2CO3 2 3

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    (16.17)6604.50.75

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    161 2C 3161 2pHpHpHPhpHpH 3CO(NH2)2

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    17 1CO2 2 3

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    2011184

    1 2

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    (18)4402.50.61

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    1812KMnO4 K2MnO4+MnO2+O2Mm1122

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    2010194KNO31KNO3

    2205gKNO310g60 3KNO3

    020406080100/g13.331.663.9110169246

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    (19)4402.30.57

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    191 2 1:2 5:1050%3

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    20120.5)

    1 2CO2 3

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    (20)5502.40.48

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    20 1 2CO32 CO32CO32 3CuSO4+2NaOH=Cu(OH)2+Na2SO4

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    21.5 11 22A 33 44

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    (21)5503.30.66

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    ;;A\B2NaOH+CO2=Na2CO3+ H2ONaOH+CO2=NaHCO3

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    2012227

    FeAlFe Cu

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    AlFeCu

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    1 2

    (22)77040.57

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    22AlFeCuAlFe; FeCuAlFe; AlCu FeCu;; Fe+CuSO4=Cu+FeSO41Cu Fe AlFe Cu AlCuFeAlFeCuAl2Cu Fe AlCuFeAl

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    201123.20mL1.1g/mL85%7.1g1 2

    (22)5502.50.5

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    1.18

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    2,

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    3.100%

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    4.16

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    5.

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    6.

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