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Questions and Answers
What happens to sugar when evaporation exceeds saturation during crystallization?
What method is used to obtain sugar crystals from a saturated solution?
Which process is responsible for obtaining distilled water from sea water?
What is the role of the delivery tube in the distillation of sea water?
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What creates impurities in the flask during the distillation of sea water?
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Study Notes
Sugar Crystallization
- Sugar crystals are formed through a process involving evaporation and supersaturation.
- A thread is hung in a sugar solution, and as evaporation occurs, the solution becomes supersaturated.
- Sugar starts to adhere to the thread, leading to the formation of sugar crystals.
- This method of obtaining sugar crystals is known as crystallization.
Common Salt from Sea Water
- Common salt (sodium chloride) can be extracted from seawater.
- A flask is filled with seawater and sealed with a cork, ensuring no evaporation loss.
- Heating the flask causes the water to vaporize, leaving impurities behind.
- The vapor travels through a delivery tube and is then condensed back into liquid form.
- The resulting product is distilled water, while salt remains in the flask after evaporation.
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Description
This quiz explores the processes of crystallization, specifically focusing on how sugar crystals are formed. Additionally, it examines the method of obtaining common salt from seawater through distillation. Test your knowledge on these key concepts in physical science!
