Take small but equal amounts of water and milk in two different but similar containers. Freeze them by putting in a refrigerator. Now melt them in the sunshine, boil them on the same stove under the same conditions, and evaporate them completely. Note their temperature and time during changing of their states. What similarities and differences you find while changing the states of both of the materials. Support your investigation results with time and temperature graph.
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Take small but equal amounts of water and milk in two different but similar containers. Freeze them by putting in a refrigerator. Now melt them in the sunshine, boil them on the same stove under the same conditions, and evaporate them completely. Note their temperature and time during changing of their states. What similarities and differences you find while changing the states of both of the materials. Support your investigation results with time and temperature graph.
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