All Services Other Extensive Knowledge of O Level Chemistry $8/hr · Starting at $25 Students looking to learn the subject can send me their queries and questions and I can explain individual topics to them as well. About $8/hr · Ongoing Download Resume Students looking to learn the subject can send me their queries and questions and I can explain individual topics to them as well. Skills & Expertise ChemistrySinging 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Singers