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.在做中和热实验测定中和热时，应使用的仪器正确的组合是①天平 ②量筒 ③烧杯 ④温度计 ⑤试管 ⑥酒精灯
| A: ①②⑤ |
| B: ②③④ |
| C: ②③⑥ |
| D: 全部 |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys6aKY6L6D5Li6566A5Y2V77yM5Y+q6ZyA5Zue6aG+5Y+N5bqU55qE6KOF572u5Y2z5Y+v44CC
- 答案：Qg==
5Lit5ZKM54Ot5a6e6aqM5rWL5a6a6KOF572u5Li677yaPGJyPjxpbWcgd2lkdGg9MTE2IGhlaWdodD0xNTMgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC81Ny9BNC9yQkFDSmxUMzdGZUEzRWc0QUFBUmxocnpUcjAxMDAucG5nIiA+PGJyPuWKoOWFpemFuOaIlueiseaXtumcgOeUqOmHj+etkumHj+WPluS4gOWumueahOS9k+enr+eahOa2suS9k++8mzxicj4=
本课配套习题挑战模式2/5
单选题
难度系数：
2.在测定中和热的实验中，使用下列用品不是为了减小实验误差的是
| A: 碎泡沫塑料 |
| B: 环形玻璃棒 |
| C: 底部垫纸条 |
| D: 使用温度计 |
一次做对，真牛！
+5奖励规则>
- 提示1：5pys5a6e6aqM5Lit55qE6K+v5beu5Li76KaB6ICD6JmR6YW456Kx55qE6YeP5ZKM54Ot6YeP5pWj5aSx77yM5YW25Lit54Ot6YeP5pWj5aSx5pyA5Li66YeN6KaB44CC
- 答案：RA==
5Zyo5Lit5ZKM54Ot55qE5rWL5a6a5a6e6aqM5Lit77yM6KaB5YeP5bCR5a6e6aqM6K+v5beu77yM5YiZ5bCx5bCP5LqO5bC95Y+v6IO955qE5YeP5bCR54Ot6YeP55qE5o2f5aSx77yM6YCJ6aG5QeOAgUPpg73mmK/kuLrkuoblh4/lsJHng63ph4/mjZ/lpLHnmoTvvIxC5piv5Zyo5bC96YeP5YeP5bCR54Ot6YeP5pWj5aSx55qE5p2h5Lu25LiL77yM5L2/5rq25ray5re35ZCI5Z2H5YyA55qE44CC
本课配套习题挑战模式3/5
单选题
难度系数：
3.下列有关叙述正确的是
| A: 测定中和热时，大小两烧杯间填满碎纸的作用是固定小烧杯的 |
| B: 温度计既可以测量温度，又可以充当搅拌器的作用 |
| C: 若用50mL0.55mo1·L-1的氢氧化钠溶液，分别与50mL0.50mo1·L-1的盐酸和50mL0.50mo1·L-1的硫酸充分反应，两反应测定的中和热是相等的 |
| D: 测定中和热时，烧杯上的盖子是固定温度计和环形搅拌器的 |
一次做对，真牛！
+5奖励规则>
- 提示1：5Lit5ZKM54Ot5rWL5a6a5a6e6aqM5oiQ6LSl55qE5YWz6ZSu5piv5L+d5rip5bel5L2c77yb
- 提示2：5rip5bqm6K6h5Y+q55So5p2l5rWL6YeP5rip5bqm77yM5LiN5Y+v5Lul5YWF5b2T5pCF5ouM5Zmo55qE5L2c55So77yb
- 提示3：5Lit5ZKM54Ot55qE5Z2H5piv5by66YW45ZKM5by656Kx5Y+N5bqU55Sf5oiQMW1vbOawtOaXtuaUvuWHuueahOeDre+8jOS4jumFuOeiseeahOeUqOmHj+aXoOWFs++8mw==
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- 答案：Qw==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.在测定中和热的实验中，下列说法正确的是
| A: 使用环形玻璃棒是为了加快反应速率，减小实验误差 |
| B: 为了准确测定反应混合溶液的温度，实验中温度计水银球应与小烧杯底部接触 |
| C: 用0.5mol·L-1NaOH溶液分别与0.5mol·L-1的盐酸、醋酸溶液反应，如所取的溶液体积相等，则测得的中和热数值相同 |
| D: 在测定中和热实验中需要使用的仪器有：天平、量筒、烧杯、滴定管、温度计 |
一次做对，真牛！
+5奖励规则>
- 提示1：546v5b2i546755KD5qOS6IO95LiK5LiL5pCF5ouM5ray5L2T77yM5LiU5LiN5a+854Ot77yb
- 提示2：5rip5bqm6K6h5LiN6IO95o6l6Kem54On5p2v5bqV6YOo77yb
- 提示3：5Lit5ZKM54Ot5bqU55So5by66YW45ZKM5by656Kx55qE56iA5rq25ray77yb
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- 答案：QQ==
Qe+8jueOr+W9oueOu+eSg+ajkuaQheaLjOiDveWKoOW/q+WPjeW6lOmAn+eOh++8jOWHj+Wwj+WunumqjOivr+W3ru+8jOaVhUHmraPnoa7vvJsgPGJyPkLvvI7muKnluqborqHmsLTpk7bnkIPmtYvng6fmna/lhoXnmoTng63msLTnmoTmuKnluqbvvIzkuI3og73mjqXop6bng6fmna/lupXpg6jmjqXop6bng6fmna/lupXpg6jvvIzmlYVC6ZSZ6K+v77ybPGJyPkPvvI7phovphbjmmK/lvLHphbjvvIznlLXnprvlkLjng63vvIzmtYvlh7rnmoTkuK3lkozng63mlbDlgLzlgY/lsI/vvIzmlYVD6ZSZ6K+v77ybPGJyPkTvvI7kuK3lkozng63mtYvlrprnlKjkuI3liLDlpKnlubPvvIzmlYVE6ZSZ6K+v77yOPGJyPuaVhemAiUHvvI4=
本课配套习题挑战模式5/5
单选题
难度系数：
5.下列说法中正确的是
| A: 中和热的测定实验中需要用到的主要玻璃仪器有：两只大小相同的烧杯、两只大小相同的量筒、温度计、环形玻璃搅拌棒 |
| B: 可以用保温杯来代替烧杯做有关测定中和热的实验 |
| C: 在测定中和热的实验中，至少需要测定并记录的温度是2次 |
| D: 测定中和热实验中，若所使用的稀NaOH溶液的物质的量稍大于稀盐酸，则会导致所测得的中和热数值偏高 |
一次做对，真牛！
+5奖励规则>
- 提示1：5a6e6aqM5omA6ZyA5Luq5Zmo6Zeu6aKY5Y+q6ZyA5Zue6aG+5Y+N5bqU55qE6KOF572u5Y2z5Y+v44CC
- 提示2：5LiA6Iis5a6a6YeP5a6e6aqM6ZyA6KaB5rWL5a6a5rip5bqm5LiJ5qyh77yM5L2G6ZyA6KaB6YeN5aSNMi0z5qyh5a6e6aqM44CC
- 提示3：5L2/55So56iATmFPSOa6tua2sueahOeJqei0qOeahOmHj+eojeWkp+S6jueogOebkOmFuOaYr+S4uuS6huS9v+eogOebkOmFuOWPjeW6lOWujOWFqOOAgg==
- 答案：Qg==
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
