Home

What is the correct answer?

4

Which of the following is not a common refrigerant?

A. Freon-12

B. Ethylene

C. Ammonia

D. Carbon dioxide

Correct Answer :

B. Ethylene


Related Questions

Pick out the correct statement: Solubility of a substance which dissolves with an increase in volume and… The activity of an ideal gas is numerically __________ its pressure. Gibbs free energy of a pure fluid approaches __________ as the pressure… In the reaction, C + O2 → CO2; ΔH = - 94 kcal. What is the… Pick out the wrong statement. An ideal monatomic gas is taken round the cycle ABCDA as shown below in… Melting of wax is accompanied with __________ in entropy. A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if… The Carnot co-efficient of performance (COP) of a domestic air conditioner… (∂H/∂T)P is the mathematical expression for A gas shows deviation from ideal behaviour at Equilibrium constant of a reaction varies with the Lenz's law results from the law of conservation of Solid and liquid phases of a substance are in equilibrium at the The extensive properties are Entropy change for an irreversible process taking system and surrounding… The chemical potential of any constituent of an ideal solution depends… In the equation, PVn = constant, if the value of n = ± ∞, then… In a turbine, the fluid expands almost Molar heat capacity of water in equilibrium with ice at constant pressure… What is the value of Joule-Thomson co-efficient for an ideal gas? If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole… At equilibrium condition, the chemical potential of a material in different… Trouton's ratio of __________ liquids is calculated using Kistyakowsky… The standard Gibbs free energy change of a reaction depends on the equilibrium A system is said to be at equilibrium, if the entropy of the system has… As pressure approaches zero, the ratio of fugacity to pressure (f/P) for… Pick out the correct statement. A refrigerator works on the principle of __________ law of thermodynamics.