It is heard sometimes that mercury is used in defining the temperature scale because it expands

It is heard sometimes that mercury is used in defining the temperature scale because it expands uniformly with the temperature. If the temperature scale is not yet defined, is it logical to say that a substance expands uniformly with the temperature ? Welcome to Physics With Shubham you can discuss your doubts with me here: https://t.me/joinchat/GywwWQ2i5ukVXBRV Lets join hands to learn together!! #HCV #HCVSolution #JEEMains #JEEAdvanced #NEET #JEE #IIT #PhysicsWithShubham