Detailed Instructions: 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.
Problem:Question: Counter Coulter®️ particle counter uses an electrolytic solution of:
Options: <0> 0.9% lithium chloride in water. <1> Ammonium thiocyanate in hydrophilic solvent. <2> 15% lithium chloride in hydrophobic solvent. <3> 0.9% sodium chloride in water. <4> 0.9% sodium chloride in methanol.
Solution:
pharmacology