2009年安徽化学竞赛（Anhui Chemistry Competition 2009）.doc

2009年安徽化学竞赛（Anhui Chemistry Competition 2009） Relative atomic mass may be used in this paper: Cl-35.5 Na-23 H - 1 S - 32 O - 16 Ba-137 N-14 A single choice: (the Title A total of 8 items, each item only 1 correct option, please correct option letter on the answer sheet, every day 2 points, a total of 16 points) 1. the following process contains a chemical change is: A A, clay burning red paper fine porcelain B, cut into a beautiful window C, ice carved beautiful ice D, jade grinding personalized jewelry 2. of the twenty-ninth Olympic Games will be held in Beijing in August 8, 2008. The following measures are not in accordance with the Green Olympics idea is: D A. Olympic venues around the lights use solar photovoltaic technology B. in the Olympic venues use of electric vehicles and new clean fuel vehicles C. stadium near the planting of micro irrigation or drip irrigation intelligent control technology D. will be the Olympic Village garbage all deep concentration 3. the following materials according to elemental, oxides, compounds, mixtures of order is: B A. diamond, lime, crude salt, ice B. mercury, dry ice, slaked lime, natural gas C., caustic soda, soda ash, rust, oil D. sulfur, Liquid Oxygen, crude salt, vitriol There are records of chemistry notes 4. my deskmate, I think it is not reasonable A.CO2 is not included in the air pollution index project; B. food is the main component of protein, carbohydrates, fats, vitamins, inorganic salt and water; C. methane, glucose and calcium carbonate are organic compounds; D. material color, hardness, solubility and other physical properties are. Some 5. students designed the following experiment, you dont think you can achieve the purpose of the experiment is: A. use the burning wood identification of carbon dioxide and oxygen B. adding clear lime water to remove the CaCl2 solution in HCl C. with concentrated sulfuric acid to remove some water vapor mixed in hydrogen D. identification of lime water clarification litmus solu