Write two precautionsto be taken while finding rout the melting point of ic
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The bulb of the thermometer should be kept about 4-5 cm above the surface of water. Pieces of pumice stone should be added to water before heating to avoid bumping. Heating of water should be done by rotating the flame. Note temperature by keeping your eyes in line with the level of mercury.
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The bulb of the thermometer should be kept about 4-5 cm above the surface of water. Pieces of pumice stone should be added to water before heating to avoid bumping. Heating of water should be done by rotating the flame. Note temperature by keeping your eyes in line with the level of mercury.
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