Question

What are upper and lower fixed points on a celcius thermometer

Answer 1

Answer:

To define a temperature scale, we first choose two reference temperatures called the fixed points. ... The lower fixed point, or ice point, is the temperature of pure melting ice at normal atmospheric pressure. The upper fixed point, or steam point, is the temperature of pure boiling water at normal atmospheric pressure.

Answer 2

Answer:

lower fixed point=0(degrees Celsius)

upper fixed point= 100(degrees Celsius)