Magnesium has a specific gravity of 1.74, which means that ___ 1.74 times as much as an equal volume of water.A、it is weighedB、weighing itC、its weightD、it weighs

题目
Magnesium has a specific gravity of 1.74, which means that ___ 1.74 times as much as an equal volume of water.

A、it is weighed

B、weighing it

C、its weight

D、it weighs

相似考题

1.［A］ tells ［B］ means ［C］ makes ［D］ has

2.低折射率的量值范围为(）。A.1.48≤n＜1.54B.1.54≤n＜1.64C.1.64≤n＜1.74D.n ≥ 1.74

3.Every liquid has a pressure at which it will vaporize and this pressure varies with temperatureThe word “which” means _____.A.a liquidB.a pressureC.a temperatureD.none of the above

4.当n=（ ）属低折射率镜片A.1.74B.1.70C.1.60D.1.523

更多“Magnesium has a specific gravity of 1.74, which means that ___ 1.74 times as much as an equal volume of water. ”相关问题

  • 第1题：

    以0.05的显著性水平做总体均值的左侧检验,查t分布表得到的临界值为 1.74,则拒绝原假设的规则是()。

    A.检验统计量大于1.74

    B.检验统计量小于于 1.74

    C.检验统计量大于- 1.74

    D.检验统计量小于- 1.74


    正确答案：D

  • 第2题：

    1.745修约成三位数为 （)。

    A．1.76

    B．1.74

    C．1.80

    D．1.760


    错误

  • 第3题：

    以0.05的显著性水平做总体均值的左侧检验，查t分布表得到的临界值为1.74，此时拒绝原假设的规则是

    A．检验统计量大于1.74

    B．检验统计量小于1.74

    C．检验统计量大于-1.74

    D．检验统计量小于-1.74


    B

  • 第4题：

    一色谱柱长30.0cm，其理论板数为3445，则其理论板高度是（）

    A8.71*10-2cm

    B8.71*10-3cm

    C8.71*10-4cm

    D1.74*10-4cm

    E1.74*10-3cm


    B
    略

  • 第5题：

    0.1mol/L HAc（Kaϴ=1.74×10-5）溶液的解离度为：

    A．1.74%

    B．1.32%

    C．17.4%

    D．13.2%


    1.32%

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