Sublimation
Chemistry ⇒ States of Matter
Sublimation starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Sublimation.
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See sample questions for grade 8
A mixture of sand and naphthalene is heated. After some time, only sand remains in the dish. What process has occurred?
A student observes that camphor left in an open dish disappears after a few days. What process is responsible for this observation?
Describe a laboratory method to demonstrate sublimation using iodine.
Describe how sublimation is used in the purification of substances.
Describe the difference between evaporation and sublimation.
Explain why dry ice is used to create fog effects in stage performances.
Explain why naphthalene balls become smaller over time when left in the open.
Explain why sublimation is considered a physical change.
Name one industrial use of sublimation.
Name two substances that commonly undergo sublimation.
What is sublimation in the context of states of matter?
Why does sublimation not occur in all solids?
