A student is heating some substance and noted an observation. When solid iodine is heated, a violet vapour is seen. Name the process taking place in this case.

Galvanization

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Thermal decomposition

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Sublimation

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Solidification

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Solution

The correct option is C
Sublimation

Sublimation refers to a change of state from solid to gas without the intermediate formation of a liquid.Usually, the gas returns to the solid state on cooling. Here, solid iodine converts to violet vapours of iodine.

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A student is heating some substance and noted an observation. When solid iodine is heated, a violet vapour is seen. Name the process taking place in this case.

The correct option is C Sublimation Sublimation refers to a change of state from solid to gas without the intermediate formation of a liquid.Usually, the gas returns to the solid state on cooling. Here, solid iodine converts to violet vapours of iodine.

The correct option is C
Sublimation

Sublimation refers to a change of state from solid to gas without the intermediate formation of a liquid.Usually, the gas returns to the solid state on cooling. Here, solid iodine converts to violet vapours of iodine.