Q: 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: Which of the following compounds has more basic character ?: 
 Options:  <0> Sodium hydroxide. <1> Sodium ethoxide <2> Sodium amide <3> Sodium bicarbonate. <4> Sodium carbonate.
A:
chemistry