1.쉬움
What is the SI unit of temperature?
- ADegree Fahrenheit
- BJoule
- CDegree Celsius
- DKelvin
2.쉬움
What is the smallest particle of an element that still has the chemical properties of that element?
- AAn electron
- BA nucleus
- CAn atom
- DA proton
3.쉬움
What causes the pressure of a gas in a container?
- AGas particles sticking to the walls
- BThe weight of the container pressing on the gas inside
- CGas particles stopping and pushing outward
- DGas particles colliding with the container walls
4.보통
Why can a very high fever disrupt the body's chemical reactions?
- AHigh temperatures turn enzymes into fats
- BHigh temperatures remove the water from blood
- CHigh temperatures make every enzyme work faster without any limit
- DHigh temperatures can change the shape of enzymes so they stop working
5.보통
물의 몰 질량은 얼마인가요? (H = 1 g/mol, O = 16 g/mol)
- A18 g/mol
- B32 g/mol
- C10 g/mol
- D17 g/mol
6.보통
Glucose has the molecular formula C₆H₁₂O₆. What is its empirical formula?
- ACHO
- BC₆H₁₂O₆
- CC₂H₄O₂
- DCH₂O
7.어려움
다음 중 약산인 것은 어느 것인가요?
- A아세트산(식초 속)
- B황산
- C질산
- D염산
8.어려움
Which of these is a redox reaction?
- AZn + CuSO₄ → ZnSO₄ + Cu
- BNaOH + HCl → NaCl + H₂O
- CCaCO₃ → CaO + CO₂
- DAgNO₃ + NaCl → AgCl + NaNO₃
정답표
- 1. D · Kelvin
- 2. C · An atom
- 3. D · Gas particles colliding with the container walls
- 4. D · High temperatures can change the shape of enzymes so they stop working
- 5. A · 18 g/mol
- 6. D · CH₂O
- 7. A · 아세트산(식초 속)
- 8. A · Zn + CuSO₄ → ZnSO₄ + Cu
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