Question

Give two differences and two similarities between laboratory thermometers and chemical thermometers

Answer 1

Differences:
laboratory thermometer are used in Laboratories .
clinical thermometers are used in hospitals. laboratory thermometer are used to measure a wider range of temperature.
clinical thermometer is used to measure short range of temperature .
the temperature range of a clinical thermometer is from 35 degree celsius to 42 degree Celsius .
the temperature range of a laboratory thermometer is from minus 10 degree Celsius to 110 degree Celsius .
similarities:
they are both made up of uniform glass tubes .
they both contain Mercury .
the scales are graduated in Celsius scale .
they both contain the bulb .
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Answer 2

Answer:

Answer:

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Similarities:

(i) Both clinical and laboratory thermometers have long, narrow, uniform glass tubes.

(ii) The bulbs of both the thermometers have mercury in them.

Differences:

(i) The temperature range of clinical thermometers is from 35°C to 42°C while that of laboratory thermometer is from −10°C to 110°C.

(ii) Clinical thermometer is used to measure the temperature of a human body. However, laboratory thermometer cannot be used to measure the temperature of a human body.

(iii) The least count of both the thermometers differs.

(iv) Unlike clinical thermometer that can be tilted, laboratory thermometer is kept upright while reading the temperature values.