第20届全国高中学生化学竞赛暨冬令营于2007年1月15~21日在四川省成都市举行。本届竞赛暨冬令营由中国化学会主办,四川省化学化工学会、四川师范大学和四川大学共同承办。除西藏外,来自全国30个省、市、自治区和香港、澳门特别行政区共32支代表队的165名学生参加了本届竞赛和冬 The 20th National High School Chemistry Contest cum Winter Camp was held on January 15-21, 2007 in Chengdu, Sichuan Province. The competition and winter camp sponsored by the Chinese Chemical Society, Sichuan Chemical Society, Sichuan Normal University and Sichuan University co-host. In addition to Tibet, 165 students from 32 delegations from 30 provinces, cities and autonomous regions and Hong Kong SAR and Macao Special Administrative Region participated in this competition and winter