2009年佛山中考化学试题及答案(国外英文资料).docVIP

2009年佛山中考化学试题及答案(国外英文资料) Foshan City, 2009 senior high school entrance examination Chemical test Two questions and multiple-choice questions in this paper, a total of 8 out of 100 points. The examination time for 90 minutes. Matters needing attention： 1. papers of multiple-choice questions and multiple-choice questions in the answer sheet to answer, can not answer on the paper. 2. if the mapping (including auxiliary line) or drawing table, with a pencil drawing, drawing, with black writing pen or pen painted black. 3. other matters needing attention, see the answer card. The relative atomic mass may be used: H 1 C 12 N 14 O 16 Na 23 S 32 Cl 35.5 Cu 64 Volume 1 (choice of a total of 30 points) A choice (this includes 15 items, each item of 2 points, a total of 30 points. Every day there is only one option to do) The following substances belong to alkali is 1. A.CO2 B.HCl C.NH3 - H2O D.K2SO4 The following 2. belongs to the chemical change is A. B. copper surface ground vitriol Pseudomonas C. D. distilled water filtration 3. the following does not belong to the use of new fuel or the development of new energy is the fact that A. from supermarket customers provide free plastic bags of B. in the development of the northwest west to East Gas Pipeline Project C. encourages the use of solar cell D. to promote the use of ethanol gasoline for motor vehicles The purpose of the experiment 4. the following experimental design and the corresponding expression is not consistent The purity of D. C. CO2 to verify the composition density of A. flame B. test of hydrogen into the air The temperature of each layer is larger than air composition 5. China has had many industrial salts such as sodium nitrite (NaNO2) as salt used in cooking and poisoning caused by. The NaNO2 statement is correct A.NaNO2 is a kind of oxide B.NaNO2 consists of three elements The nitrogen element in the C.NaNO2 valence 3 price? The quality of D.NaNO2 Na, N, O three elements ratio is 1: 1: 2 6. of the experimen