Question

Give reason for the following.





b) Why is water not used in clinical thermometers when it is easily available to us?​

Answer 1

Answer:

Explanation:

b)Water cannot be used in thermometer because of its higher freezing point and lower boiling point than other liquids .  If water is used in a thermometer , it will start phase change at 0°C and 100°C and will not measure temperature , out of this range . This range is very small as compared  to other liquids as mercury , having freezing point about −39°C and boiling point 356°C.

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