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.

새 학습지힌트와 함께 온라인으로 연습하기

교수자 안내: 수업에서 무료로 인쇄, 복사, 사용할 수 있습니다. 새 워크시트마다 값이 새로 바뀌고 별도의 정답이 함께 제공됩니다. 강의 페이지에 ExamProblems 링크를 걸어 주시면 감사하겠습니다.

이름: ____________________   날짜: ____________

1.쉬움

Which three elements make up carbohydrates?

  1. ACarbon, nitrogen and sulfur
  2. BHydrogen, nitrogen and phosphorus
  3. CCarbon, hydrogen and oxygen
  4. DCarbon, hydrogen and nitrogen
2.쉬움

What is absolute zero?

  1. A0 °C, the point at which pure water freezes into ice
  2. B−100 °C, the coldest temperature on Earth
  3. C0 K, about −273 °C, the lowest possible temperature
  4. D0 °F, the temperature of a salt and ice mixture
3.쉬움

촉매는 어떤 일을 하나요?

  1. A반응의 생성물을 바꾼다
  2. B반응에 필요한 반응물을 공급한다
  3. C자신은 소모되지 않으면서 반응을 빠르게 한다
  4. D반응을 느리게 하며 소모된다
4.보통

A reaction has a theoretical yield of 20 g, but only 15 g of product is collected. What is the percent yield?

  1. A5%
  2. B75%
  3. C25%
  4. D133%
5.보통

To which family of organic compounds does ethanol, C₂H₅OH, belong?

  1. AEsters
  2. BAlcohols
  3. CAlkanes
  4. DCarboxylic acids
6.보통

Nitric acid (HNO₃) reacts with potassium hydroxide (KOH). Which salt forms?

  1. ANitrogen hydroxide, NOH
  2. BPotassium nitrate, KNO₃
  3. CPotassium hydride, KH
  4. DPotassium nitrite, KNO₂
7.어려움

A solution of acetic acid conducts electricity only weakly, while hydrochloric acid of the same concentration conducts strongly. Why?

  1. AHydrochloric acid contains metal atoms
  2. BAcetic acid only partly ionises, so it forms fewer ions
  3. CAcetic acid does not dissolve in water at all
  4. DAcetic acid forms more ions than hydrochloric acid does
8.어려움

Why is Dmitri Mendeleev's early periodic table regarded as such a success?

  1. AHe proved that the atoms of every element contain electrons
  2. BHe discovered the noble gases and placed them in group 18
  3. CHe left gaps and correctly predicted the properties of elements not yet discovered
  4. DHe arranged the elements by atomic number, which he had discovered

정답표

  1. 1. C · Carbon, hydrogen and oxygen
  2. 2. C · 0 K, about −273 °C, the lowest possible temperature
  3. 3. C · 자신은 소모되지 않으면서 반응을 빠르게 한다
  4. 4. B · 75%
  5. 5. B · Alcohols
  6. 6. B · Potassium nitrate, KNO₃
  7. 7. B · Acetic acid only partly ionises, so it forms fewer ions
  8. 8. C · He left gaps and correctly predicted the properties of elements not yet discovered

자세한 단계별 풀이: examproblems.com에서 이 주제를 연습하세요.