Heating of iodine is a _______ change.

Natural

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Physical

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Chemical

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Reversible

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Solution

The correct option is B
Physical

No new substance is formed during the process. Hence, it is an example of a physical change.

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Similar questions

Q. Calculate the change in entropy when 1 mol of solid iodine at a temperature of 360 K is heated at constant pressure to produce liquid iodine at a temperature of 410 K. The constant pressure molar heat capacity of solid iodine is 54.44 J

K^{- 1}

m o l^{- 1}

and liquid iodine is 80.67 J

K^{- 1}

m o l^{- 1}

.
The melting point of iodine is 387 K and molar enthalpy of fusion of iodine is 7.87 kJ/mol.

Q. When heated, solid iodine sublimes i.e. it directly changes into a gaseous state without converting to liquid state. Which of the following is NOT true for iodine sublimation?

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Heating of iodine is a _______ change.

The correct option is B PhysicalNo new substance is formed during the process. Hence, it is an example of a physical change.

The correct option is B
Physical

No new substance is formed during the process. Hence, it is an example of a physical change.