explain through as activity the soil has moisture in it
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This theory can be easily proved by taking some soil in a test tube and heat it to a high temperature. ... If the test tube is open, the water vapors escape out in the atmosphere and if the soil is weighed before and after the heating, the difference in weight proves that soil contains water.
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heat the test tube on a flame. after sometime you can see the drops on the surface on tube which shows that soil contains moisture. this happens because after heating the water or moisture in the soil evaporates and moves up and get condensed on the cooler inner walls of the upper surface of the boiling tube.
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