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 does the prefix "milli-" mean?

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

What is a precipitate?

  1. AA substance that speeds up a reaction
  2. BAn insoluble solid that forms when two solutions react
  3. CA liquid that forms when a solid melts
  4. DA gas that bubbles out when two solutions are mixed
3.쉬움

Charles's law describes the relationship between which two properties of a gas, at constant pressure?

  1. APressure and number of moles
  2. BDensity and mass
  3. CVolume and temperature
  4. DPressure and volume
4.보통

At STP (0 °C and 1 atm), what volume does 1 mole of an ideal gas occupy?

  1. A6.02 L
  2. B273 L
  3. C1.0 L
  4. D22.4 L
5.보통

What feature makes a hydrocarbon an alkene?

  1. AAn –OH group
  2. BOnly carbon–carbon single bonds
  3. CAt least one carbon–carbon double bond
  4. DA ring of six carbon atoms with no hydrogen
6.보통

Nitrogen is in group 15 of the periodic table. How many valence electrons does a nitrogen atom have?

  1. A7
  2. B3
  3. C5
  4. D15
7.어려움

Sugar is heated in a pan. Which observation shows that a chemical change, not just a physical change, has happened?

  1. AIt melts into a clear, runny liquid that sets again when it cools
  2. BThe crystals become smaller when crushed
  3. CIt gets hot to the touch
  4. DIt turns black and gives off water vapour, leaving a solid that is no longer sweet
8.어려움

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. B4 M
  3. C3 M
  4. D2 M

정답표

  1. 1. A · One-thousandth (10⁻³)
  2. 2. B · An insoluble solid that forms when two solutions react
  3. 3. C · Volume and temperature
  4. 4. D · 22.4 L
  5. 5. C · At least one carbon–carbon double bond
  6. 6. C · 5
  7. 7. D · It turns black and gives off water vapour, leaving a solid that is no longer sweet
  8. 8. D · 2 M

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