Match the graphs between the following variables with their names.

   Graphs 

      Names

A. Pressure vs temperature graph at constant molar volume

1. Isotherms 

B. Pressure vs
volume graph at constant temperatures

2. Constant temperature Curve 

C. Volume vs temperature graph at constant pressure. 

3. Isochores 

4. Isobars


 Codes

Options:  A   B   C 
1. 3 1 4
2. 1 2 3
3. 5 4 3
4. 4 5 3

Hint: Graph obtained at constant temperature is isotherms.
A. When molar volume is constant, the p-T graph is called isochore.
B. When the temperature is constant, the p-V graph is called isotherm.
C. When pressure is constant, the V-T graph is called isobar.