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。

新练习卷在线练习，附提示

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1.简单

What is osmosis?

  1. AThe dissolving of a gas in a liquid
  2. BThe breaking of a solid into ions
  3. CThe movement of water across a semipermeable membrane
  4. DThe movement of solute particles against a gradient using energy
2.简单

Between which kinds of elements do covalent bonds usually form?

  1. ATwo nonmetals
  2. BTwo group 1 metals
  3. CA metal and a nonmetal
  4. DA metal and a noble gas
3.简单

What is the SI base unit of mass?

  1. APound
  2. BKilogram
  3. CNewton
  4. DGram
4.中等

In the ideal gas law, PV = nRT, what does n stand for?

  1. AThe number of moles of gas
  2. BThe number of atoms per molecule
  3. CThe number of molecules of gas
  4. DThe density of the gas
5.中等

At 20 °C, about 36 g of NaCl dissolves in 100 g of water. If 50 g of NaCl is stirred into 100 g of water at 20 °C, what happens?

  1. ANone of the salt dissolves
  2. BAbout 14 g dissolves and about 36 g stays undissolved
  3. CAbout 36 g dissolves and about 14 g stays undissolved
  4. DAll 50 g dissolves
6.中等

An exothermic reaction is at equilibrium. What happens if the temperature is raised?

  1. AThe reaction becomes endothermic
  2. BThe equilibrium shifts toward the products, raising the yield
  3. CThe equilibrium shifts toward the reactants
  4. DThe equilibrium does not change
7.困难

哪个键的极性最强？

  1. AC–H
  2. BH–H
  3. CH–F
  4. DCl–Cl
8.困难

What is the formula of iron(III) chloride?

  1. AFe₃Cl
  2. BFe₂Cl₃
  3. CFeCl₂
  4. DFeCl₃

答案

  1. 1. C · The movement of water across a semipermeable membrane
  2. 2. A · Two nonmetals
  3. 3. B · Kilogram
  4. 4. A · The number of moles of gas
  5. 5. C · About 36 g dissolves and about 14 g stays undissolved
  6. 6. C · The equilibrium shifts toward the reactants
  7. 7. C · H–F
  8. 8. D · FeCl₃

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