Exercise
Form 10: Sublimation and Deposition
In this engaging exercise, students will explore the fascinating processes of sublimation and deposition by conducting hands-on experiments with dry ice and iodine, enabling them to witness the transformation of substances between solid and gas phases while deepening their understanding of physical changes in matter.
Questions
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MultiChoice
What is sublimation?
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MultiChoice
What is deposition?
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MultiChoice
Solid carbon dioxide turning directly into gas at room temperature is an example of:
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MultiChoice
The formation of frost on a cold windshield on a winter morning is an example of:
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MultiChoice
Is sublimation an endothermic or exothermic process?
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MultiChoice
Is deposition an endothermic or exothermic process?
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MultiChoice
What happens to snow on sunny mountain peaks even when air temperature remains below freezing?
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MultiChoice
Why does dry ice not leave a liquid puddle behind as it warms up?
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MultiChoice
Solid air fresheners shrink over time without melting because of:
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MultiChoice
Freeze-drying food relies on which phase change process to remove water while frozen?
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MultiChoice
Which process is the direct reverse of sublimation?
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MultiChoice
In soot formation, hot carbon gases cool quickly into solid black soot particles. This is: