中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.下列含有硫元素的物质中，硫元素的化合价最高的是
| A: H2SO3 |
| B: H2SO4 |
| C: KHSO3 |
| D: Na2S2O3 |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys6aKY6ZyA6KaB5qC55o2u4oCc5YyW5ZCI5Lu35Luj5pWw5ZKM5Li6MOKAneeahOWOn+WImeS4gOS4gOiuoeeul+OAgg==
- 提示2：SOeahOWMluWQiOS7t+Wdh+S4uisx77yMT+eahOWMluWQiOS7t+Wdh+S4ui0y77yMS+eahOWMluWQiOS7t+S4uisx77yMTmHnmoTljJblkIjku7fkuLorMS4=
- 答案：Qg==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.铝元素的氧化物化学式为Al2O3，若Al的化合价不变，则铝元素的氯化物的化学式为
| A: AlCl |
| B: Al3Cl |
| C: AlCl2 |
| D: AlCl3 |
一次做对，真牛！
+5奖励规则>
- 提示1：6ZOd5YWD57Sg5ZGIKzPku7fvvIzmsK/lhYPntKDlkYgtMeS7t+OAgg==
- 提示2：5qC55o2u5YyW5ZCI5Lu35Luj5pWw5ZKM5Li6MOeahOWOn+WIme+8jOaIlumHh+eUqOS6pOWPieazleWNs+WPr+WGmeWHuuWMluWtpuW8j+OAgg==
- 答案：RA==
55Sx6aKY5oSP5Y+v55+l77ya6ZOd5YWD57Sg55qE5rCn5YyW54mp5YyW5a2m5byP5Li6QWw8c3ViPjI8L3N1Yj5PPHN1Yj4zPC9zdWI+77yM77yM5Y+I5Zug5Li65rCn5YWD57Sg55qE5YyW5ZCI5Lu35Li6LTLku7fvvIzmlYXlj6/nn6Xpk53lhYPntKDnmoTljJblkIjku7cg5Li6KzPku7fvvJvlm6DkuLpBbOeahOWMluWQiOS7t+S4jeWPmO+8jOWboOS4uuawr+WFg+e0oOS4jumHkeWxnuWFg+e0oOW9ouaIkOWMluWQiOeJqeaXtu+8jOW4uOaYvi0x5Lu377yb5Yip55So5YyW5ZCI5Lu35pWw5YC85Lqk5Y+J5rOV5Lmm5YaZ5YyW5a2m5byP77yI5Y2z5bCG5q2j44CB6LSf5YyW5ZCI5Lu355qE5pWw5YC85Lqk5Y+J5Yiw55u45bqU56ym5Y+355qE5Y+z5LiL6KeS77yM5L2G5rOo5oSP5Y6f5a2Q5Zui55yL5L2c5LiA5L2T77yM5ZCr57qm5pWw55qE5LiA6Iis6KaB57qm5YiG77yJ77yO5YWI5qCH5rOo5YyW5ZCI5Lu377yaPGltZyB3aWR0aD0zOCBoZWlnaHQ9MzAgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC80OC9FMi9yQkFDSjFUY0RFbXpWOU1mQUFBQ0poR2lkOFE1MDIucG5nIj7vvIzlho3liKnnlKjljJblkIjku7fmlbDlgLzkuqTlj4nms5XkuablhpnljJblraZBbENsPHN1Yj4zPC9zdWI+77yOPGJyPuaVhemAiUTvvI4=
本课配套习题挑战模式3/5
单选题
难度系数：
3.含氯元素的五种物质，顺序排列如下：HCl、Cl2、X、HClO2、KClO3，按此排列规律，X应是下列哪种物质
| A: NaClO |
| B: KClO2 |
| C: HClO3 |
| D: NaCl |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys6aKY6ZyA6KaB5YWI5bCG6aKY5bmy5Lit55qE5Yeg56eN54mp6LSo55qE5rCv5YWD57Sg5YyW5ZCI5Lu35rGC5Ye677yM5om+5YiwWOS4reawr+WFg+e0oOeahOWMluWQiOS7tzxpPng8L2k+55qE5Y+W5YC86IyD5Zu044CC
- 提示2：5oyJ54Wn4oCc5YyW5ZCI5Lu355qE5Luj5pWw5ZKM5Li6MOKAneeahOWOn+WImei/m+ihjOiuoeeul+OAgg==
- 答案：QQ==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.经测定某溶液中有含Cu2+、K+、SO42-、Cl-四种离子，其中K+离子与Cu2+的个数比为4：3，那么SO42-离子与Cl-离子的个数比可能为
| A: 3：2 |
| B: 3：1 |
| C: 2：5 |
| D: 1：8 |
一次做对，真牛！
+5奖励规则>
- 提示1：5rq25ray5pW05L2T5piv5ZGI55S15Lit5oCn55qE77yM5Zug5q2k6Ziz56a75a2Q5omA5bim55S16I23562J5LqO6Zi056a75a2Q5omA5bim55qE55S16I2344CC
- 提示2：5Y+v5Lul5YGH6K6+56Gr6YW45qC556a75a2Q5LiO5rCv56a75a2Q55qE5Liq5pWw5q+U5Li6PGk+eDwvaT7vvJo8aT55PC9pPu+8jOWPr+S7peWIl+WHuuaWueeoi+OAgg==
- 答案：RA==
6K6+U088c3ViPjQ8L3N1Yj48c3VwPjItPC9zdXA+56a75a2Q5LiOQ2w8c3VwPi08L3N1cD7nprvlrZDnmoTkuKrmlbDmr5TkuLo8aT54PC9pPu+8mjxpPnk8L2k+77yM5YiZ5qC55o2u5YyW5ZCI54mp5Lit5YyW5ZCI5Lu35Luj5pWw5ZKM5Li66Zu277yM5Y+v5b6X77yaNMOXMSsyw5czPTI8aT54PC9pPis8aT55PC9pPjxicj7op6PlvpfvvJoyPGk+eDwvaT4rPGk+eTwvaT49MTDvvIzlj4jlm6DkuLo8aT54PC9pPuOAgTxpPnk8L2k+5b+F6aG75Li65q2j5pW05pWw77yOPGJyPuWwhuWQhOmAiemhueW4puWFpe+8jOWPr+efpUTnrKblkIjvvI48YnI+5pWF6YCJRO+8jg==
本课配套习题挑战模式5/5
单选题
难度系数：
5.A、B、C三种元素的化合价分别是+1、+4、-2，这三元素组成的化合物的化学式可能是
| A: ABC4 |
| B: A4BC3 |
| C: A2BC3 |
| D: A3BC2 |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys6aKY5YGa6aKY55qE5L6d5o2u5LuN54S25piv4oCc5YyW5ZCI54mp5Lit5YyW5ZCI5Lu35Luj5pWw5ZKM5Li6MOKAneOAgg==
- 提示2：5Yip55So6aKY5bmy5Lit57uZ5Ye655qE5LiJ56eN5YWD57Sg55qE5YyW5ZCI5Lu35YiG5Yir6K6h566X5Zub5Liq6YCJ6aG555qE5YyW5ZCI5Lu35Luj5pWw5ZKM77yM5Luj5pWw5ZKM5Li6MOeahOS4uuato+ehrumAiemhueOAgg==
- 答案：Qw==
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
