Question

2. What are the commonly used reference temperatures for constructing temperature scales?
a. Melting point of wax and boiling point of alcohol
b. Melting point of wax and boiling point of water
c. Melting point of ice and boiling point of wax
d. Melting point of ice and boiling point of water​

Answer 1

Answer:

a. Melting point of wax and boiling point of alcohol

Explanation:

This is because the melting point of wax is 68°C and the boiling point of alcohol is 78°C . As they are too close in temperature , So the answer will be Option (a)