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Which of the following solids undergoes sublimation upon heating?
Naphthalene balls disappear with time without leaving any solid. Give reason.
Assertion (A): Sublimation is a physical change. Reason (R): Sublimation involves the direct conversion of a solid into a gas without passing through the liquid state.
Convert 573K to Celsius scale.
Identify A, B, C, D, E and F in the following diagram that illustrates the changes in states of matter.
The following figure illustrates the three states of matter and their interconversion. Identify the processes represented by A and B.
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