1.Mudah
Apart from mercury, which element is a liquid at room temperature?
- AChlorine
- BIodine
- CBromine
- DSodium
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2.Mudah
Pada permukaan laut, pada suhu berapa air murni mendidih?
- A50 °C (122 °F)
- B100 °C (212 °F)
- C0 °C (32 °F)
- D37 °C (98,6 °F)
3.Mudah
How many millilitres are in 1 litre?
- A10
- B100
- C10,000
- D1000
4.Sedang
Berapa muatan ion klorida?
- A+7
- B−2
- C+1
- D−1
5.Sedang
What is the name of the compound CaCO₃?
- ACalcium carbonate
- BCarbon calcium trioxide
- CCalcium carbide
- DCalcium oxide
6.Sedang
Bagaimana kenaikan suhu biasanya memengaruhi laju reaksi?
- AMenurunkan laju
- BMenghentikan reaksi sepenuhnya
- CTidak berpengaruh pada laju
- DMeningkatkan laju
7.Sulit
Using PV = nRT with R = 0,082 L·atm/(mol·K), how many moles of gas are in 24,6 L at 1 atm and 300 K?
- A1 mol
- B2 mol
- C300 mol
- D0,5 mol
8.Sulit
Why does food cook faster in a pressure cooker?
- APressure itself breaks down the food, regardless of temperature
- BThe higher pressure raises the boiling point, so the water is hotter
- CSteam is trapped, so the water boils at a lower temperature
- DThe higher pressure lowers the boiling point
Kunci jawaban
- 1. C · Bromine
- 2. B · 100 °C (212 °F)
- 3. D · 1000
- 4. D · −1
- 5. A · Calcium carbonate
- 6. D · Meningkatkan laju
- 7. A · 1 mol
- 8. B · The higher pressure raises the boiling point, so the water is hotter
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