정답이 있는 간호학 입학 시험 대비 화학 학습지

What is an element?

1. AA particle with an electric charge
2. BA substance made of only one kind of atom
3. CA substance of two or more elements chemically bonded together
4. DA physical mixture of different substances

원자 안의 다른 입자들에 비해 질량이 거의 없는 입자는 무엇인가요?

1. A원자핵 전체
2. B전자
3. C양성자
4. D중성자

Which of these is a heterogeneous mixture?

1. AAir
2. BSugar dissolved in tea
3. COil and water
4. DSalt dissolved in water

소금 15 g과 물 135 g으로 만든 용액에서 소금의 질량 백분율은 얼마인가요?

1. A90%
2. B11%
3. C10%
4. D15%

Which statement describes a saturated fat?

1. AIt is always liquid at room temperature
2. BIts fatty acid chains have many carbon–carbon double bonds
3. CIts fatty acid chains have no carbon–carbon double bonds
4. DIt contains no carbon atoms

Why must temperatures be in kelvin in gas law calculations?

1. AGas volume and pressure are proportional to the absolute temperature
2. BThe kelvin scale has smaller degrees, which gives more precise answers
3. CCelsius can only be used for liquids
4. DKelvin values are always below 100

Cells oxidise glucose to CO₂ and water, as burning glucose does. How does cellular respiration differ from burning?

1. AIt releases the energy in many small, enzyme-controlled steps
2. BIt does not need oxygen at any stage
3. CIt produces different products from burning
4. DIt releases much more total energy than burning the same glucose

어떤 반응이 주위로부터 50 kJ의 에너지를 흡수합니다. 옳은 설명은 어느 것인가요?

1. A발열 반응이며, 생성물이 반응물보다 에너지가 더 적다
2. B흡열 반응이며, 생성물이 반응물보다 에너지가 더 적다
3. C에너지는 보존되므로 에너지 변화가 일어나지 않았다
4. D흡열 반응이며, 생성물이 반응물보다 에너지가 더 많다