高一化学必修2期末练习（Senior one, chemistry required, 2 final exercise）.doc

高一化学必修2期末练习（Senior one, chemistry required, 2 final exercise） Chenghai middle school 2009----2010 school year second semester midterm examination A high level of chemical science papers Volume 1 (choice of a total of 50 points) Matters needing attention： This volume is divided into 1. Volume 1 (multiple-choice volume) and Volume II (non choice volume), a total of 100 points, the examination time for 90 minutes. 2. please Volume 1 of the answer on the answer sheet with a pencil; the second volume of the answers on the answer sheet to fill in. Only the answer card and answer sheet. May use the relative atomic mass of H 1; O 16; Cl 35.5; Na 23; S 32; Cu 64; Br 80; N 14; C 12; F 19; P 31; Zn 65 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 is the atomic number value of 1. groups of corresponding elements, wherein said atoms can be combined with ion bonding compound is stable A.1 and 6 B.2 and 8 C.9 and 11 D.8 and 14 2. the following reaction is an endothermic reaction A. limestone under high temperature decomposition of B. lime and water. C. hydrochloric acid and sodium hydroxide solution reaction of D. burning charcoal in oxygen 3. with concentrated ammonium chloride solution treated stage curtain is not easy to fire. The reason is that The quality of the curtain curtain increases the ignition temperature was increased the decomposition of ammonium chloride absorbs heat, reducing air temperature and decomposition of ammonium chloride has cut off the air A. B. and the C. D. 2 4 II. 4. which of the following statements is not true A.3517Cl and 3717Cl are two kinds of radionuclide chlorine B.3517Cl2 and 3717Cl2 are allotropes C.3517Cl and 3717Cl are isotope The relative molecular mass of D.21H 3717Cl than 21H 3517Cl 5. the tomato cell, the following statement is correct A. after a period of time, the quality of zinc will be smaller Near the B. copper electrode will appear blue C. ele