Question

1.
The substance which is not used as thermometric substance
a) Water
b) Mercury
c) Alcohol
d) Air
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Answer 1

Answer:

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 0oC and 100oC and will not measure temperature , out of this range