An IB Periodic Table is required Calculators should not be used for multiple choice questions! |
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1. Which of the following statements about mixtures is true?
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2. Which of the following is NOT a homogeneous mixture?
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3. Which of the following changes of state are exothermic?
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Q4-6: |
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4. __BaCl2 + __NaOH → __Ba(OH)2 + __NaCl
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5. __C4H10 + __O2 → __CO2 + __H2O
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6. __Fe3O4 + __H2 → __Fe + __H2O
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7. What is the name given to the change of state represented by the following equation?
CO2(g) → CO2(s)
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8. Which of the following occur as steam condenses to water?
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9. Which of the following graphs best represents the cooling curve when a pure substance with a melting point of 50°C is cooled from 75°C to room temperature? | ||||
10. Which of these changes of state is endothermic?
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