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

What range does the common pH scale cover?

  1. A0 to 100
  2. B−7 to +7
  3. C1 to 10
  4. D0 to 14
2.简单

What does the octet rule state?

  1. AAtoms tend to gain, lose or share electrons to get 8 outer electrons
  2. BEvery stable atom has exactly 8 protons in its nucleus
  3. CEvery stable molecule contains exactly 8 atoms
  4. DAn atom can form a maximum of 8 covalent bonds
3.简单

What does the prefix "milli-" mean?

  1. AOne-millionth (10⁻⁶)
  2. BOne-hundredth (10⁻²)
  3. COne-thousandth (10⁻³)
  4. DOne thousand (10³)
4.中等

What is 380 mmHg in atmospheres?

  1. A0.38 atm
  2. B380 atm
  3. C2 atm
  4. D0.5 atm
5.中等

During digestion, large molecules are broken down by adding water across their bonds. What is this reaction called?

  1. AHydrolysis
  2. BCondensation
  3. CCombustion
  4. DPolymerisation
6.中等

Which coefficients balance __Na + __Cl₂ → __NaCl?

  1. A2, 1, 2
  2. B1, 2, 1
  3. C1, 1, 1
  4. D2, 2, 1
7.困难

A scuba diver breathes compressed air deep underwater. Why must the diver breathe out while swimming up to the surface?

  1. AThe air in the lungs shrinks as the outside pressure falls
  2. BOxygen turns to liquid at the surface
  3. CThe water gets warmer near the surface
  4. DThe air in the lungs expands as the outside pressure falls
8.困难

Alkanes follow the general formula CₙH₂ₙ₊₂. What is the formula of the alkane with 4 carbon atoms?

  1. AC₄H₁₂
  2. BC₄H₆
  3. CC₄H₁₀
  4. DC₄H₈

答案

  1. 1. D · 0 to 14
  2. 2. A · Atoms tend to gain, lose or share electrons to get 8 outer electrons
  3. 3. C · One-thousandth (10⁻³)
  4. 4. D · 0.5 atm
  5. 5. A · Hydrolysis
  6. 6. A · 2, 1, 2
  7. 7. D · The air in the lungs expands as the outside pressure falls
  8. 8. C · C₄H₁₀

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