1.쉬움
What is osmosis?
- AThe movement of solute particles against a gradient using energy
- BThe movement of water across a semipermeable membrane
- CThe dissolving of a gas in a liquid
- DThe breaking of a solid into ions
2.쉬움
Which group of biological molecules includes fats, oils and cholesterol?
- AProteins
- BLipids
- CCarbohydrates
- DNucleic acids
3.쉬움
Between which kinds of elements do ionic bonds usually form?
- ATwo nonmetals
- BTwo noble gases
- CTwo identical metals
- DA metal and a nonmetal
4.보통
Why does oxygen move from the alveoli of the lungs into the blood?
- AOxygen is heavier than carbon dioxide
- BOxygen is pumped actively into the blood
- CThe partial pressure of oxygen is higher in the blood than in the alveoli
- DThe partial pressure of oxygen is higher in the alveoli than in the blood
5.보통
산소 원자의 원자가 전자(가장 바깥 껍질의 전자)는 몇 개인가요?
- A16개
- B2개
- C6개
- D8개
6.보통
마그네슘 원자가 전자 2개를 잃었습니다. 생성되는 이온은 무엇인가요?
- AMg⁻
- BMg²⁻
- CMg²⁺
- DMg⁺
7.어려움
Under which conditions does a real gas behave least like an ideal gas?
- ALow pressure and high temperature
- BLow pressure and low volume of particles
- CHigh pressure and low temperature
- DHigh temperature and large container
8.어려움
A reaction at equilibrium has a very large equilibrium constant (K much greater than 1). What does this tell you?
- AThe reaction is very fast
- BAt equilibrium, the mixture contains mostly products
- CThe reaction cannot reach equilibrium
- DAt equilibrium, the mixture contains mostly reactants
정답표
- 1. B · The movement of water across a semipermeable membrane
- 2. B · Lipids
- 3. D · A metal and a nonmetal
- 4. D · The partial pressure of oxygen is higher in the alveoli than in the blood
- 5. C · 6개
- 6. C · Mg²⁺
- 7. C · High pressure and low temperature
- 8. B · At equilibrium, the mixture contains mostly products
자세한 단계별 풀이: examproblems.com에서 이 주제를 연습하세요.