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

According to the Arrhenius definition, what does an acid produce in water?

  1. ASodium ions (Na⁺)
  2. BOxide ions (O²⁻)
  3. CHydroxide ions (OH⁻)
  4. DHydrogen ions (H⁺)
2.쉬움

What is a solution?

  1. AA mixture that is the same throughout (homogeneous)
  2. BA pure compound made of two elements
  3. CA mixture in which particles settle out on standing
  4. DA solid that has been melted
3.쉬움

염기인 물질은 어느 것인가요?

  1. A레몬즙(시트르산)
  2. B수산화 나트륨(NaOH)
  3. C식초(아세트산)
  4. D염산(HCl)
4.보통

Which coefficients balance __KClO₃ → __KCl + __O₂?

  1. A2, 1, 3
  2. B1, 1, 1
  3. C1, 1, 3
  4. D2, 2, 3
5.보통

Why does stirring help a solid dissolve faster?

  1. AIt turns the solid into a liquid
  2. BIt brings fresh solvent into contact with the solid's surface
  3. CIt increases the amount of solute that can dissolve in total
  4. DIt raises the temperature of the solvent by friction a great deal
6.보통

Why does ice float on liquid water?

  1. AIce has a higher mass than the same volume of water
  2. BIce contains trapped air from the freezer
  3. CIce is less dense than liquid water
  4. DIce is denser than liquid water
7.어려움

Why is incomplete combustion of fuel in a poorly ventilated room dangerous?

  1. AIt produces nitrogen, which replaces oxygen in the blood
  2. BIt produces carbon monoxide, which binds to haemoglobin and blocks oxygen transport
  3. CIt produces water vapour, which is toxic
  4. DIt produces extra oxygen, which damages the lining of the lungs over time
8.어려움

A reaction should produce 2 mol of a product with a molar mass of 30 g/mol, but only 48 g is collected. What is the percent yield?

  1. A48%
  2. B80%
  3. C60%
  4. D125%

정답표

  1. 1. D · Hydrogen ions (H⁺)
  2. 2. A · A mixture that is the same throughout (homogeneous)
  3. 3. B · 수산화 나트륨(NaOH)
  4. 4. D · 2, 2, 3
  5. 5. B · It brings fresh solvent into contact with the solid's surface
  6. 6. C · Ice is less dense than liquid water
  7. 7. B · It produces carbon monoxide, which binds to haemoglobin and blocks oxygen transport
  8. 8. B · 80%

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