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

Where do the mole ratios used in stoichiometry come from?

  1. AThe coefficients of the balanced equation
  2. BThe molar masses of the reactants
  3. CThe subscripts in each formula
  4. DThe physical states of the substances
2.简单

Which element is a metalloid?

  1. ASodium
  2. BArgon
  3. CSilicon
  4. DSulfur
3.简单

In a solution, what is the solvent?

  1. AThe gas given off when a solid dissolves
  2. BThe substance that is dissolved, usually present in the smaller amount
  3. CThe substance that does the dissolving, usually present in the larger amount
  4. DAny solid that will not dissolve, however long it is stirred
4.中等

What is carbon-14 dating used for?

  1. AEstimating the age of material that was once alive
  2. BMeasuring body temperature
  3. CDetecting carbon monoxide in a room
  4. DFinding the exact age of rocks that are billions of years old
5.中等

A student tests how temperature affects the rate of a reaction. What is the independent variable?

  1. AThe volume of acid, which is kept the same
  2. BThe reaction rate
  3. CThe temperature
  4. DThe type of beaker used
6.中等

将 2 摩尔葡萄糖溶于水，配成 4 升溶液。摩尔浓度是多少？

  1. A0.5 M
  2. B8 M
  3. C4 M
  4. D2 M
7.困难

Zinc reacts as Zn + 2HCl → ZnCl₂ + H₂. What mass of zinc (65 g/mol) reacts completely with 50 mL of 2 M HCl?

  1. A65 g
  2. B3.25 g
  3. C6.5 g
  4. D1.63 g
8.困难

What is a triglyceride made of?

  1. AThree amino acids joined by peptide bonds
  2. BOne glycerol molecule joined to three fatty acids
  3. CThree glucose molecules joined together
  4. DOne fatty acid joined to three glycerol molecules

答案

  1. 1. A · The coefficients of the balanced equation
  2. 2. C · Silicon
  3. 3. C · The substance that does the dissolving, usually present in the larger amount
  4. 4. A · Estimating the age of material that was once alive
  5. 5. C · The temperature
  6. 6. A · 0.5 M
  7. 7. B · 3.25 g
  8. 8. B · One glycerol molecule joined to three fatty acids

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