A mixture containing iodine and sand is heated in a China dish so as to recover iodine from it an inverted funnel is placed over the China dish a) after heating it b) before heating it c) when fumes of iodine start coming out from the mixture d) when fumes of iodine stop coming from the mixture

A mixture containing iodine and sand is heated in a China dish so as t

1.	A mixture containing iodine and sand is heated in a China dish so as to recover iodine from it an inverted funnel is placed over the China dish a) after heating it b) before heating it c) when fumes of iodine start coming out from the mixture d) when fumes of iodine stop coming from the mixture
Answer» Iodine is a solid that SUBLIMES. If a mixture of iodine and SAND is HEATED in a beaker, the iodine CHANGES from solid to vapour directly. The vapour changes back to solid directly on a cold surface. The sand is not affected by the heat and remains in the beaker.The iodine CRYSTAL can be separated from the sand by using the method sublimation. The solid iodine turns in to purple iodine gas.