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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이름: ____________________   날짜: ____________

1.쉬움

How is percent yield calculated?

  1. A(Theoretical yield ÷ actual yield) × 100
  2. BActual yield − theoretical yield
  3. C(Mass of reactants ÷ mass of products) × 100
  4. D(Actual yield ÷ theoretical yield) × 100
2.쉬움

A blown-up balloon is put in a freezer. What happens to its volume?

  1. AThe balloon bursts
  2. BIt increases
  3. CIt stays exactly the same
  4. DIt decreases
3.쉬움

Which property is typical of bases?

  1. AThey feel slippery
  2. BThey have a pH below 7
  3. CThey turn blue litmus red
  4. DThey taste sour
4.보통

염화 이온의 전하는 얼마인가요?

  1. A−2
  2. B+7
  3. C+1
  4. D−1
5.보통

물의 몰 질량은 얼마인가요? (H = 1 g/mol, O = 16 g/mol)

  1. A32 g/mol
  2. B10 g/mol
  3. C18 g/mol
  4. D17 g/mol
6.보통

Using significant figures, what is 2.5 cm × 3.42 cm?

  1. A8.550 cm²
  2. B8.55 cm²
  3. C9 cm²
  4. D8.6 cm²
7.어려움

Hyperbaric oxygen therapy places a patient in a chamber with oxygen at higher than normal pressure. Why does this raise the oxygen dissolved in blood plasma?

  1. AHigher pressure turns the oxygen into a liquid
  2. BHigher pressure lowers body temperature, so the blood can hold much more gas
  3. CHigher pressure makes red blood cells divide faster
  4. DGas solubility in a liquid increases with the partial pressure of the gas
8.어려움

A sealed rigid can holds gas at 2 atm and 27 °C. It is heated to 327 °C. What is the new pressure?

  1. A4 atm
  2. B2.4 atm
  3. C1 atm
  4. D24 atm

정답표

  1. 1. D · (Actual yield ÷ theoretical yield) × 100
  2. 2. D · It decreases
  3. 3. A · They feel slippery
  4. 4. D · −1
  5. 5. C · 18 g/mol
  6. 6. D · 8.6 cm²
  7. 7. D · Gas solubility in a liquid increases with the partial pressure of the gas
  8. 8. A · 4 atm

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