정답이 있는 간호학 입학 시험 대비 화학 학습지

무료 인쇄용 간호학 입학 시험 대비 화학 학습지: 쉬운 문제부터 시험 수준까지 8문제, 정답표 포함. 인쇄하거나 PDF로 저장하세요.

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1.쉬움

What is a single covalent bond?

  1. AThe attraction between two oppositely charged ions
  2. BTwo pairs of electrons shared between two atoms
  3. COne pair of electrons shared between two atoms
  4. DOne electron transferred from one atom to another
2.쉬움

What colour does blue litmus paper turn in an acid?

  1. APurple
  2. BBlue (no change)
  3. CRed
  4. DGreen
3.쉬움

Which technique is used to separate the different coloured dyes in an ink?

  1. AFiltration
  2. BMagnetism
  3. CChromatography
  4. DDistillation of the ink
4.보통

What is the formula of the hydroxide ion?

  1. AH₃O⁺
  2. BOH⁺
  3. CO²⁻
  4. DOH⁻
5.보통

What is the molar mass of sodium chloride, NaCl (Na = 23, Cl = 35.5 g/mol)?

  1. A23 g/mol
  2. B81.5 g/mol
  3. C58.5 g/mol
  4. D12.5 g/mol
6.보통

Which gas forms when hydrochloric acid reacts with calcium carbonate?

  1. AChlorine
  2. BCarbon dioxide
  3. CHydrogen
  4. DOxygen
7.어려움

Vitamin C is water-soluble and vitamin D is fat-soluble. What does this suggest about their molecules?

  1. AVitamin C is nonpolar, while vitamin D is strongly polar
  2. BVitamin C is polar, while vitamin D is mostly nonpolar
  3. CBoth are equally polar
  4. DBoth are ionic compounds
8.어려움

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 expands as the outside pressure falls
  2. BThe air in the lungs shrinks as the outside pressure falls
  3. COxygen turns to liquid at the surface
  4. DThe water gets warmer near the surface

정답표

  1. 1. C · One pair of electrons shared between two atoms
  2. 2. C · Red
  3. 3. C · Chromatography
  4. 4. D · OH⁻
  5. 5. C · 58.5 g/mol
  6. 6. B · Carbon dioxide
  7. 7. B · Vitamin C is polar, while vitamin D is mostly nonpolar
  8. 8. A · The air in the lungs expands as the outside pressure falls

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