Participation in the school chemistry olympiad for grade 10 is an excellent preparation for the upcoming exams. If the student doubts that the olympiad is tough for him, he can pass the test tasks with the answers given on our website. They will help the student to navigate in the Olympiad itself and score high points at the regional level. The winners of the regional stage of the olympiad and the world level are invited to the final “One hundred points” competition and get additional points when entering universities.