Weekly topic: 5 wealth points for those who answer correctly, 2 wealth points for those who participate； Question 225

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This post was last edited by ljtjbx on 2015-12-2 08:30. Multiple-choice question: The method for determining molecular weight distribution is ( ) A. Gas chromatography C. High-performance liquid chromatography B. Gel chromatography D. Atomic absorption spectroscopy. Answer: B, Gel chromatography. —————————————————— Please note: We will close this post after 24 hours, and at that time we will announce the best response (the most helpful answer), along with the correct answer and its explanation. Charisma Reward: Those who post a topic in this section within two days to provide a detailed explanation or discussion on the knowledge points related to this question are asked to reply/comments in this post to inform us, and we will have a moderator grant them + Charisma. It is not allowed to simply copy and paste; original content is preferred, with at least some organization by the user along with personal insights and opinions.