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

What is the smallest particle of an element that still has the chemical properties of that element?

  1. AA proton
  2. BA nucleus
  3. CAn atom
  4. DAn electron
2.쉬움

What is an empirical formula?

  1. AThe simplest whole-number ratio of atoms in a compound
  2. BA drawing of how the atoms are bonded
  3. CThe mass of one mole of a compound
  4. DThe actual number of each atom in one molecule
3.쉬움

In a chemical reaction, what is the limiting reactant?

  1. AThe catalyst that controls the speed
  2. BThe reactant that is left over at the end
  3. CThe reactant that runs out first and stops the reaction
  4. DThe reactant with the largest mass
4.보통

얼음물에서 얼음이 녹는 동안 온도는 어떻게 되나요?

  1. A얼음이 모두 녹을 때까지 0 °C로 유지된다
  2. B그 시간 내내 꾸준히 오른다
  3. C곧바로 100 °C까지 오른다
  4. D0 °C 아래로 떨어진다
5.보통

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

  1. A10 g/mol
  2. B18 g/mol
  3. C17 g/mol
  4. D32 g/mol
6.보통

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

  1. A81.5 g/mol
  2. B12.5 g/mol
  3. C58.5 g/mol
  4. D23 g/mol
7.어려움

Why does a burn from steam at 100 °C usually cause more damage than one from liquid water at 100 °C?

  1. ASteam particles are hotter than water particles at the same reading
  2. BSteam releases a large amount of extra energy as it condenses on the skin
  3. CLiquid water cannot pass any of its heat to the skin
  4. DSteam carries dissolved acid that damages the skin
8.어려움

Ethanol (CH₃CH₂OH) and dimethyl ether (CH₃OCH₃) have the same formula, C₂H₆O, but ethanol boils at a much higher temperature. Why?

  1. AEthanol has an O–H group, so its molecules form hydrogen bonds with each other
  2. BEthanol has more carbon atoms
  3. CEthanol molecules are heavier than dimethyl ether molecules
  4. DDimethyl ether is ionic and ethanol is covalent

정답표

  1. 1. C · An atom
  2. 2. A · The simplest whole-number ratio of atoms in a compound
  3. 3. C · The reactant that runs out first and stops the reaction
  4. 4. A · 얼음이 모두 녹을 때까지 0 °C로 유지된다
  5. 5. B · 18 g/mol
  6. 6. C · 58.5 g/mol
  7. 7. B · Steam releases a large amount of extra energy as it condenses on the skin
  8. 8. A · Ethanol has an O–H group, so its molecules form hydrogen bonds with each other

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