护理入学考试化学练习卷(附答案)

免费可打印的护理入学考试化学练习卷:8 道题,从简单到考试水平,附答案。可打印或另存为 PDF。

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姓名: ____________________   日期: ____________

1.简单

What does the rate of a reaction measure?

  1. AHow hot the reaction gets
  2. BHow quickly reactants are used up or products are formed
  3. CHow much energy the final products contain
  4. DHow much product forms in total by the end
2.简单

元素的原子序数告诉你什么?

  1. A每个原子中的质子数
  2. B1 摩尔该元素中的原子数
  3. C原子核中质子和中子的总数
  4. D每个原子中的中子数
3.简单

哪种物质是碱?

  1. A氢氧化钠(NaOH)
  2. B盐酸(HCl)
  3. C食醋(乙酸)
  4. D柠檬汁(柠檬酸)
4.中等

How many moles of gas are in 44.8 L at STP (0 °C and 1 atm)?

  1. A22.4 mol
  2. B44.8 mol
  3. C2 mol
  4. D0.5 mol
5.中等

Which element has chemical properties most similar to calcium?

  1. APotassium
  2. BCarbon
  3. CMagnesium
  4. DScandium
6.中等

温度恒定时,气体的体积减半。其压强会怎样?

  1. A加倍
  2. B变为原来的四分之一
  3. C不变
  4. D减半
7.困难

用最小的整数配平 __Fe + __O₂ → __Fe₂O₃。系数是多少?

  1. A4, 3, 2
  2. B2, 1, 1
  3. C4, 3, 4
  4. D2, 3, 1
8.困难

A small amount of acid is spilled on a lab bench. Why is a weak base such as sodium bicarbonate preferred over strong NaOH to neutralise it?

  1. AExcess sodium bicarbonate is far less harmful than excess NaOH
  2. BSodium bicarbonate is a strong acid that cancels the spill
  3. CSodium bicarbonate makes the spilled acid evaporate
  4. DNaOH does not react with acids at room temperature

答案

  1. 1. B · How quickly reactants are used up or products are formed
  2. 2. A · 每个原子中的质子数
  3. 3. A · 氢氧化钠(NaOH)
  4. 4. C · 2 mol
  5. 5. C · Magnesium
  6. 6. A · 加倍
  7. 7. A · 4, 3, 2
  8. 8. A · Excess sodium bicarbonate is far less harmful than excess NaOH

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