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← ScienceWhich outcome occurs when a pressure cookers safety valve fails?
A)Rapid steam phase transition and explosion✓
B)Increased thermal conduction overwhelms cooling
C)Uncontrolled exothermic polymerization proceeds quickly
D)Accelerated solvent evaporation ruins ingredients
💡 Explanation
Runaway pressure increase causes valve failure leading to a dangerous breach by rapid steam formation; this is referred to as rapid phase transition, because the superheated water flashes violently to steam therefore an explosion eventuates, rather than simple boiling
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