Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Question: An Au-Ag alloy:
Options: <0> It is interstitial, and can occur in any composition. <1> It is substitutional, and can occur in any composition. <2> Gold and silver can not be alloyed. <3> A small amount of gold can be dissolved in silver, up to a limit of close to 10%, but not in a greater proportion. <4> A small amount of silver can be dissolved in the gold, up to a limit close to 10%, but not in a greater proportion.
Student:
chemistry