Word: 化学 These are the Chinese grammar articles about 化学, whether they focus on it or mention it. Example sentences using 化学 2 sentences, showing page 1 of 1. 他的化学很差。 Tā de huàxué hěn chà. He is poor at chemistry. 你读化学吗? Nǐ dú huàxué ma? Are you a chemistry student?