Choose the condition that must be specified in order to liquify CO2(triple point for CO2is - 57°C and 5.2 atm).
(A) Pressure must be kept below 5.2 atm
(B) Temperature must be kept above - 57°C
(C) Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C
(D) Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively
(A) Pressure must be kept below 5.2 atm
(B) Temperature must be kept above - 57°C
(C) Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C
(D) Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively