Iodine sublimation in a fume cupboard. At room temperature iodine is a purple/black solid. Gentle heating over a bunsen burner results in the formation of a purple gas. This solid-gas transition with no liquid phase is known as sublimation. Fume cupboards are used in laboratories to extract potentially harmful gases and smoke.
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Creative#:
TOP10162843
Source:
達志影像
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RM
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