2012年长春市高中毕业班第一次调研测试7（In 2012, Changchun high school graduation class first survey test 7）.docVIP

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2012年长春市高中毕业班第一次调研测试7（In 2012, Changchun high school graduation class first survey test 7）.doc

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2012年长春市高中毕业班第一次调研测试7（In 2012, Changchun high school graduation class first survey test 7）

2012年长春市高中毕业班第一次调研测试7（In 2012, Changchun high school graduation class first survey test 7） In 2012 Changchun city high school graduating class first test research High school chemistry test volume Notice: This paper consists of 1. examination papers and answer sheets, out of 100 points, the examination time for 90 minutes. 2. before the answer on the answer sheet sealing area fill in schools, class, name and ticket number. 3. all the answers must be written on the answer sheet, write on the paper is invalid. 4. the end of the examination, only to be handed in the answer sheet. The relative atomic mass may be used: H:1 O:16 Na:23 Mg:24 Al:27 S:16 K:39 Cu:64 Volume 1 (multiple-choice questions, a total of 48 points) The problem consists of 16 parts, every day 3 points, a total of 48 points. Every day there is only one option to do. 1. the following physical structure or chemistry model is correct Nuclide symbols oxygen atoms of A.8 neutrons: electronic B.HF: Schematic structure of C.K+ ion: stick D.CH4 molecule model: 2. using NA numerical representation of the A Vogadero constant, the following statement is correct The A.lmol Na2O2 crystal containing 4NA ion Complete hydrolysis of B.0.1mol AlCl3 into aluminium hydroxide colloids, generating 0.1NA particles C. 16gO2 and O3 under normal temperature and pressure of mixed gas containing NA oxygen atoms D. electrolytic refining of copper per electron transfer NA, anodic dissolution of copper 32g 3. the following statement is correct A. is an alkaline solution of clarification, the ion identification conclusion, containing: Fe3+, A solid solution of NaOH B. adding heat generated, wet red litmus blue gas, solid must contain NH4+ C. solid NaOH absorption of carbon dioxide in the air and dissolves in water, the solution containing more BaCl2 is not soluble in dilute solution of HNO3 into D. a white precipitate in solution, the solution must contain 4. in recent years, scientists have discovered a kind of ice like substance: c