This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'Syneresis seen in a hydrocolloid gel is: \nSelect and explain. \nA. Seen as water loss, B. Water absorption, C. Shrinkage, D. Gelation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Some\xa0basic\xa0terminologies\xa0associated\xa0with hydrocolloids. These are as follows:\xa0\n\nSol: Colloidal suspension of very small solid particles in a continuous liquid medium.\nGel:\xa0Network of ﬁbrils that form a weak, slightly elastic brush heap structure.\nGelation: Transformation from sol to gel.\nLiquefaction temperature: The temperature at which the gel converts to the sol state.\nSyneresis: Fluid exuded when gel structures reconﬁgure to achieve equilibrium through stress relaxation.\nImbibition: Absorption of water.\nMicelles: The dispersed phase agglomerates to form chains or ﬁbrils in the gel state called micelles.\n\nReference: Materials Used in Dentistry, S Mahalaxmi first ed page no\xa0430', 'role': 'assistant'}]