In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: Separations by capillary zone electropheresis (CZE) are characterized in that the electrophoretic medium: 
 Options:  <0> It is always formed by 1.0 M HCl. <1> It is always formed by NH3 1.0 M. <2> It is homogeneous throughout the capillary. <3> It is not homogeneous throughout the capillary. <4> It has a pH gradient throughout the entire capillary.
chemistry

Question: Psychotherapeutic treatment in psychotic disorders: 
 Options:  <0> It is impossible because of the serious deterioration of the reality suffered by patients with this type of disease. <1> It is contraindicated. <2> It improves the course of the disease, prevents relapses and improves coping skills and social and work functioning. <3> It does not take into account family intervention, since this type of disorder is often associated with pathological families. <4> It refers to the establishment of training programs in social skills.
nursery

Question: Ammonia usually used in the laboratory: 
 Options:  <0> It is a pure compound, liquid at environmental temperature and pressure. <1> It is a gaseous ammonia solution in water, very diluted, because ammonia is very little soluble in water. <2> It is a solution of gaseous ammonia in water, very concentrated, because ammonia is very soluble in water. <3> It is a gaseous ammonia solution in ethanol, because pure gaseous ammonia is insoluble in water. <4> It is a saturated solution of ammonium chloride in water.

chemistry