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

元素周期表中的竖列叫什么？

  1. A系列
  2. B周期
  3. C电子层
  4. D族
2.简单

About what percentage of dry air is oxygen?

  1. A21%
  2. B1%
  3. C78%
  4. D50%
3.简单

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

  1. AStrongly acidic
  2. BStrongly basic
  3. CNeutral
  4. DWeakly acidic
4.中等

Why do group 1 metals such as sodium react so easily?

  1. AThey easily gain one extra electron
  2. BThey have a full outer shell of electrons
  3. CThey have one outer electron that is easily lost
  4. DTheir nuclei contain no neutrons
5.中等

Which of these is a colloid?

  1. APure water
  2. BMilk
  3. CSalt water
  4. DSand in water
6.中等

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

  1. AC₂H₄O₂
  2. BCH₂O
  3. CCHO
  4. DC₆H₁₂O₆
7.困难

Many ethene (C₂H₄) molecules join together to form poly(ethene), a plastic. What type of reaction is this?

  1. ACombustion, in which ethene reacts with oxygen
  2. BAddition polymerisation, in which the C=C double bonds open up to link the monomers
  3. CCondensation polymerisation, in which a water molecule is released at each new link
  4. DHydrolysis, in which water breaks each monomer apart
8.困难

100 mL of 1 M NaCl is mixed with 100 mL of 3 M NaCl. What is the concentration of the mixture?

  1. A1.5 M
  2. B3 M
  3. C4 M
  4. D2 M

答案

  1. 1. D · 族
  2. 2. A · 21%
  3. 3. B · Strongly basic
  4. 4. C · They have one outer electron that is easily lost
  5. 5. B · Milk
  6. 6. B · CH₂O
  7. 7. B · Addition polymerisation, in which the C=C double bonds open up to link the monomers
  8. 8. D · 2 M

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