Match the terms in List-I with their corresponding descriptions in List-II:

List-I (Term) List-II (Description)
A. Adiabatic process i. At constant temperature
B. Isolated system ii. No transfer of heat
C. Isothermal change iii. Heat
D. Path function iv. No exchange of energy and matter

Codes:

A B C D
1. ii  iv  iii 
2. iii  iv  i ii
3. iv iii  i ii
4.  iv  ii i iii