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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1.简单

Which two substances must be present for iron to rust?

  1. AOxygen and water
  2. BHydrogen and oxygen gas only
  3. CCarbon dioxide and salt
  4. DNitrogen and water
2.简单

Which method separates sand from water?

  1. AChromatography
  2. BDistillation
  3. CEvaporation of the sand
  4. DFiltration
3.简单

What is the change from a liquid to a solid called?

  1. ACondensation
  2. BEvaporation
  3. CFreezing
  4. DMelting
4.中等

Glucose has the molecular formula C₆H₁₂O₆. What is its empirical formula?

  1. ACHO
  2. BC₆H₁₂O₆
  3. CCH₂O
  4. DC₂H₄O₂
5.中等

AgNO₃ + NaCl → AgCl + NaNO₃ 是哪种类型的反应？

  1. A燃烧反应
  2. B复分解反应
  3. C置换反应
  4. D分解反应
6.中等

温度升高通常如何影响固体在水中的溶解量？

  1. A固体变成气体
  2. B对固体没有影响
  3. C溶解的固体更少
  4. D溶解的固体更多
7.困难

Ammonia (NH₃) has three bonding pairs and one lone pair on nitrogen. What is its shape?

  1. ALinear
  2. BFlat triangle (trigonal planar)
  3. CTrigonal pyramidal
  4. DTetrahedral
8.困难

A reaction should produce 2 mol of a product with a molar mass of 30 g/mol, but only 48 g is collected. What is the percent yield?

  1. A125%
  2. B60%
  3. C80%
  4. D48%

答案

  1. 1. A · Oxygen and water
  2. 2. D · Filtration
  3. 3. C · Freezing
  4. 4. C · CH₂O
  5. 5. B · 复分解反应
  6. 6. D · 溶解的固体更多
  7. 7. C · Trigonal pyramidal
  8. 8. C · 80%

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