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state the precautions for using laboratory thermometer

Precautions to be Followed While Using a Laboratory Thermometer
     •  Do not tilt the thermometer while measuring the temperature. Place it upright.
     •  Note the reading only when the bulb has been surrounded by the substance from all sides.
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PRECAUTIONS THAT ARE TO BE FOLLOWED WHILE USING LABORATORY THERMOMETER :-
  1. Keep the thermometer in an upright position.
  2. Make sure that the bulb of the thermometer does not touch the bottom or sides of the container ( where the substance is placed ).
  3. Read the temperature of the object when the thermometer is in the substance.
  4. Do not move the thermometer while measuring the temperature of the substance. Keep your hand steady.
*** DO NOT USE LABORATORY THERMOMETERS FOR MEASURING BODY TEMPERATURE ***


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Precaution while measuring temperature with a laboratory thermometer
The thermometer should be washed before and after use
A thermometer is delicate and should be handled with care to avoid breakage
It should not be held by the bulb while reading the temperature
It should be kept upright and not tilted
Bulb should be completely surrounded by the substance whose temperature is being measured

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The laboratory thermometer should be held vertically while measuring temperature
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It shold handle with care
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i am in 3rd standard
 
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esskeetit
 
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