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.化学实验室中的蒸发皿是有一种陶瓷材料制成的，应用了陶瓷的_______性质
| A: 耐高温 |
| B: 耐腐蚀 |
| C: 硬度小 |
| D: 能导电 |
一次做对，真牛！
+5奖励规则>
- 提示1：54mp6LSo55qE5oCn6LSo5Yaz5a6a5LqG54mp6LSo55qE55So6YCU77yM6JK45Y+R55q/5Zyo5L2/55So5pe26ZyA6L+b6KGM5Yqg54Ot77yM6L+Z5bCx6KaB5rGC5YGa55qE6JK45Y+R55q/55qE5p2Q5paZ6ICQ6auY5rip77yO6Zm255O35p2Q5paZ6IO96ICQ6auY5rip
- 答案：QQ==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.下列有关O2和CO2的自述中，属于物理性质的是
A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：5Y+q6ZyA5YiG5p6Q5Zub5Liq6YCJ6aG55Lit5omA5a+55bqU55qE5Y+Y5YyW5pyJ5rKh5pyJ5YyW5a2m5Y+Y5YyW5Y2z5Y+v44CC
- 提示2：5Zyo5Yik5pat54mp55CG5Y+Y5YyW5ZKM5YyW5a2m5Y+Y5YyW5pe277yM5pyJ5rKh5pyJ5paw54mp6LSo55Sf5oiQ5piv5ZSv5LiA5Yik5pat5qCH5YeG44CC
- 答案：Qg==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.如图所示物质的用途主要利用其化学性质的是
A: 活性炭净水： |
B: 金属做导线： |
C: 干冰用于人工降雨： |
D: 富氧炼钢： |
一次做对，真牛！
+5奖励规则>
- 提示1：54mp6LSo55qE5YyW5a2m5oCn6LSo5piv5oyH5Zyo5YyW5a2m5Y+Y5YyW5Lit6KGo546w5Ye65p2l55qE5oCn6LSo77yM54mp6LSo55qE54mp55CG5oCn6LSo5piv5oyH5LiN6ZyA6KaB6YCa6L+H5YyW5a2m5Y+Y5YyW6KGo546w5Ye65p2l55qE5oCn6LSo77yM
- 提示2：5Zyo5Yik5pat5pe277yM5L6d5o2u4oCc5L6d5oCn6LSo77yM5Y+Y5LiA5Y+Y4oCd55qE5Y6f5YiZ44CC
- 答案：RA==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.下列物质的性质中属于物理性质的是
| A: 氧气能支持燃烧 |
| B: 二氧化碳能使澄清的石灰水变浑浊 |
| C: 氧气的密度比空气略大 |
| D: 氧气能与许多物质发生反应 |
一次做对，真牛！
+5奖励规则>
- 提示1：5Zyo5Yik5pat5YyW5a2m5oCn6LSo5ZKM54mp55CG5oCn6LSo5pe277yM5L6d54Wn55qE5Y6f5YiZ5piv4oCc5L6d5oCn6LSo77yM5Y+Y5LiA5Y+Y4oCd44CC
- 提示2：6Iul5a+55bqU55qE5Y+Y5YyW5Li65YyW5a2m5Y+Y5YyW77yM5YiZ5a+55bqU55qE5oCn6LSo5Li65YyW5a2m5oCn6LSo44CC
- 提示3：6Iul5a+55bqU55qE5Y+Y5YyW5LiN5piv5YyW5a2m5Y+Y5YyW77yM5YiZ5a+55bqU55qE5oCn6LSo5Li654mp55CG5oCn6LSo44CC
- 答案：Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.下列叙述属于铁的化学性质的是
| A: 铁有良好的延展性 |
| B: 纯净的铁是光亮的银白色金属 |
| C: 铁在潮湿的空气中容易生锈 |
| D: 铁容易传热导电 |
一次做对，真牛！
+5奖励规则>
- 提示1：5Zyo5Yik5pat5YyW5a2m5oCn6LSo5ZKM54mp55CG5oCn6LSo5pe277yM5L6d54Wn55qE5Y6f5YiZ5piv4oCc5L6d5oCn6LSo77yM5Y+Y5LiA5Y+Y4oCd44CC
- 提示2：6Iul5a+55bqU55qE5Y+Y5YyW5Li65YyW5a2m5Y+Y5YyW77yM5YiZ5a+55bqU55qE5oCn6LSo5Li65YyW5a2m5oCn6LSo44CC
- 提示3：6Iul5a+55bqU55qE5Y+Y5YyW5LiN5piv5YyW5a2m5Y+Y5YyW77yM5YiZ5a+55bqU55qE5oCn6LSo5Li654mp55CG5oCn6LSo44CC
- 答案：Qw==
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
