1.쉬움
What is the name of the polyatomic ion NH₄⁺?
- ANitrate
- BAmmonium
- CAmmonia
- DNitride
2.쉬움
What kind of carbon–carbon bonds do alkanes contain?
- AIonic bonds
- BAt least one triple bond
- CAt least one double bond
- DOnly single bonds
3.쉬움
What is the change from a gas directly to a solid, skipping the liquid state, called?
- ASublimation
- BCondensation
- CDeposition
- DFreezing
4.보통
To which family of organic compounds does ethanol, C₂H₅OH, belong?
- ACarboxylic acids
- BAlcohols
- CEsters
- DAlkanes
5.보통
Which assumption is made about an ideal gas?
- AIts particles are large, closely packed and strongly attracted
- BIts particles have no attraction to each other
- CIts particles stay still at room temperature
- DIts particles lose energy in every collision
6.보통
Which bond joins amino acids together in a protein?
- AA hydrogen bond
- BAn ionic bond
- CA peptide bond
- DA glycosidic bond
7.어려움
Why is incomplete combustion of fuel in a poorly ventilated room dangerous?
- AIt produces water vapour, which is toxic
- BIt produces extra oxygen, which damages the lining of the lungs over time
- CIt produces nitrogen, which replaces oxygen in the blood
- DIt produces carbon monoxide, which binds to haemoglobin and blocks oxygen transport
8.어려움
포도당 C₆H₁₂O₆ 한 분자에는 원자가 몇 개 들어 있나요?
- A72개
- B18개
- C24개
- D3개
정답표
- 1. B · Ammonium
- 2. D · Only single bonds
- 3. C · Deposition
- 4. B · Alcohols
- 5. B · Its particles have no attraction to each other
- 6. C · A peptide bond
- 7. D · It produces carbon monoxide, which binds to haemoglobin and blocks oxygen transport
- 8. C · 24개
자세한 단계별 풀이: examproblems.com에서 이 주제를 연습하세요.