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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姓名: ____________________   日期: ____________

1.简单

What is radioactivity?

  1. AThe glow produced by any hot object
  2. BThe release of radiation by unstable atomic nuclei
  3. CThe release of heat and light when fuels burn in air
  4. DThe flow of electrons through a metal wire
2.简单

A cleaning solution has a pH of 12. How is it described?

  1. ANeutral
  2. BStrongly basic
  3. CWeakly acidic
  4. DStrongly acidic
3.简单

What does the coefficient 3 in "3H₂O" mean?

  1. AEach water molecule has three oxygen atoms
  2. BWater has a charge of 3
  3. CThere are three molecules (or moles) of water
  4. DEach molecule of water contains three hydrogen atoms
4.中等

Which of these is a colloid?

  1. ASalt water
  2. BPure water
  3. CMilk
  4. DSand in water
5.中等

哪种元素的电负性最大？

  1. A钠
  2. B氟
  3. C铁
  4. D氦
6.中等

A red blood cell is placed in pure water (a hypotonic solution). What happens?

  1. AWater leaves the cell, which shrinks and wrinkles
  2. BNothing happens to the cell
  3. CWater enters the cell, which swells and may burst
  4. DSalt enters the cell, which shrinks
7.困难

10 g 某物质溶于水，配成 250 mL 溶液。它的浓度是多少 g/L？

  1. A25 g/L
  2. B0.04 g/L
  3. C2.5 g/L
  4. D40 g/L
8.困难

一种金属与酸反应，放出一种气体，燃烧时发出"噗"的爆鸣声。这是哪种气体？

  1. A二氧化碳
  2. B氢气
  3. C氧气
  4. D氮气

答案

  1. 1. B · The release of radiation by unstable atomic nuclei
  2. 2. B · Strongly basic
  3. 3. C · There are three molecules (or moles) of water
  4. 4. C · Milk
  5. 5. B · 氟
  6. 6. C · Water enters the cell, which swells and may burst
  7. 7. D · 40 g/L
  8. 8. B · 氢气

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