Which of the following refrigerant has the highest freezing point.
Which of the following refrigerant has the highest freezing point. Correct Answer Sulphur dioxide
Sulphur dioxide has the highest freezing point.Freezing point of Ammonia is −77.7 °C
Freezing point of Carbon dioxide is −78.5 °C
Freezing point of Sulphur dioxide is −72 °C
Freezing point of R-12 is −157.7 °C