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Naphthalene balls disappear with time without leaving any solid. Give reason.
Convert 300K to Celsius scale.
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.
Seema visited a Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identity the correct set of conditions.
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