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Liquid Properties Quiz
Test your knowledge of liquid properties with this Quiz. Practice diffusion, compression, evaporation, boiling point, viscosity, surface tension, hydrogen bonding, and the anomalous behavior of water. Includes answers and detailed explanations (with difficult questions).
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1. Which property of liquids explains their ability to fill the shape of a container?
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2. Diffusion in liquids is generally ______ than diffusion in gases.
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3. Intermolecular forces in liquids are ______ than those in gases and ______ than those in solids.
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4. Vapor pressure of a liquid increases with:
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5. The boiling point of a liquid is the temperature at which its vapor pressure equals:
Explanation: Boiling occurs when the vapor pressure equals the surrounding atmospheric pressure.
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6. Viscosity is a measure of a liquid's:
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7. Surface tension is caused by:
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8. Heat of fusion is the energy required to:
Explanation: Heat of fusion is the enthalpy change to transform a solid into a liquid at constant pressure and temperature.
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9. Heat of vaporization is the energy required to:
Explanation: Heat of vaporization is the enthalpy change to transform a liquid into a gas at constant pressure and temperature.
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10. Which property of water is due to hydrogen bonding?
Explanation: Hydrogen bonds require significant energy to break, leading to a high specific heat capacity for water.
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11. Water has maximum density at:
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12. Liquid crystals exhibit properties of:
Explanation: Liquid crystals have properties intermediate between those of conventional liquids and those of solid crystals.
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13. Liquid crystals are used in:
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14. Which statement is true about energy changes and intermolecular forces?
Explanation: Breaking stronger intermolecular forces requires more energy input.
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15. Increasing the temperature of a liquid generally ______ its viscosity.
Explanation: Higher temperatures increase molecular motion, reducing resistance to flow (viscosity).
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16. Which of the following has the highest surface tension?
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17. The curved surface of a liquid in a narrow tube is called:
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18. Capillary action is due to:
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19. Which of the following explains why water forms droplets?
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20. The low vapor pressure of water is due to:
Explanation: Stronger intermolecular forces hold the molecules together, reducing the tendency to vaporize.
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21. The anomalous expansion of water means that its density:
Explanation: Water's density increases from 0°C to 4°C and then decreases as the temperature rises further.
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22. Which force is responsible for the temporary attraction between nonpolar molecules?
Explanation: London dispersion forces are temporary, induced dipoles in nonpolar molecules.
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23. Which of the following molecules can form hydrogen bonds with each other?
Explanation: Ammonia (NH3) has hydrogen bonded to nitrogen, allowing for hydrogen bonding.
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24. As intermolecular forces increase, boiling point:
Explanation: Stronger intermolecular forces require more energy (higher temperature) to overcome for boiling.
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25. Which state of matter has the highest degree of order?
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26. The strength of London dispersion forces increases with:
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27. Which property of water allows insects to walk on its surface?
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