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Test # 393 [29-Jul-2018]


1.
The reason why I always buy my clothes at this store is because all the ________ they sell are of very high quality.

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  • Precautions while using Laboratory Thermometers

    Points to kept in Mind while using a thermometer

    The thermometer should be protected from sudden changes of temperature. Never wash a hot thermometer in cold water or put a cold thermometer in a hot bath. For correct reading of temperature see that the thermometer is vertically and your eyes are exactly in line with the mercury level. Mercury on heating expands. Even a small expansion of mercury in the bulb of the thermometer causes a considerable rise in the capillary tube.


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