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.下列叙述错误的是
| A: 往酒精灯内添加酒精要使用漏斗 |
| B: 用量筒量取液体，当接近刻度时，要用胶头滴管滴加液体 |
| C: 从试剂瓶往量筒中倾到液体要用玻璃棒引流 |
| D: 往试管里装入固体粉末，用药匙或纸槽 |
一次做对，真牛！
+5奖励规则>
- 提示1：QeOAgULkuKTpobnku47phZLnsr7nga/lkozph4/nrZLnmoTkvb/nlKjmlrnms5XogIPomZE=
- 提示2：Q+OAgUTkuKTpobnliJnpnIDopoHogIPomZHoja/lk4Hlj5bnlKjml7bnmoTmk43kvZzjgII=
- 答案：Qw==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.下列实验操作正确的是
A:  点燃酒精灯 |
B:  读取液体体积数 |
C:  加热液体 |
D:  滴加液体 |
一次做对，真牛！
+5奖励规则>
- 提示1：5rOo5oSP5Yqg54Ot5ray5L2T5pe25ray5L2T55qE55So6YeP44CC
- 提示2：ROmhueiAg+afpeeUqOa7tOeuoeS9juS7t+a2suS9k+aXtueahOaTjeS9nOOAgg==
- 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.下列使用酒精灯操作错误的是
| A: 用漏斗向酒精灯里添加酒精 |
| B: 实验完毕用嘴吹灭酒精灯 |
| C: 使用外焰加热 |
| D: 酒精灯打翻起火，用湿抹布扑灭 |
一次做对，真牛！
+5奖励规则>
- 提示1：5L2/55So6YWS57K+54Gv5pe26KaB5rOo5oSP4oCc5Lik5p+l44CB5Lik56aB44CB5LiA5LiN5Y+v4oCd44CCIDxicj4=
- 提示2：PC9wcmU+4oCc5Lik5p+l4oCd77ya5qOA5p+l54Gv6Iqv5piv5ZCm5rW45YWl6YWS57K+5Lit77yM5qOA5p+l6YWS57K+54Gv5Lit6YWS57K+5piv5ZCm5aSa5LqO5a6556ev55qE5LiJ5YiG5LmL5LiA
- 提示3：4oCc5LqM56aB4oCd77ya56aB5q2i5ZCR54eD552A55qE54Gv6YeM5re75Yqg6YWS57K+77yM56aB5q2i55So6YWS57K+54Gv5Y675byV54eD5Y+m5LiA5Y+q6YWS57K+54Gv
- 提示4：4oCc5LiA5LiN5Y+v4oCd77ya5LiN5Y+v55So5Zi05ZC554Gt6YWS57K+54Gv77yM5bqU6K+l55So54Gv5bi955uW54Gt54Gr54Sw
- 答案：Qg==
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
本课配套习题挑战模式4/5
单选题
难度系数：
4.实验时不小心将酒精灯打翻，洒出酒精并着火，应立即
| A: 用湿布盖灭 |
| B: 用嘴吹灭 |
| C: 用沙子盖灭 |
| D: 用水泼灭 |
一次做对，真牛！
+5奖励规则>
- 提示1：5a6e6aqM5a6k5Lit77yM6YWS57K+5omT57+76ICM6LW354Gr5Y+v5Lul55u05o6l55So5rm/5oq55biD55uW54Gt44CC
- 答案：QQ==
55So5rC044CB55So5Zi05LiN6IO954Gt54Gr77yM55So5rKZ5Y+v5Lul54Gt54Gr77yM5L2G5piv5a655piT5byE6ISP5qGM6Z2i77yI6YeP5LiN5aSn77yM5rKh5pyJ5b+F6KaB77yJ77yM55So5rm/5oq55biD55uW5LiK77yM5pei5Y+v5Lul6ZqU57ud5rCn5rCU77yM5Y+I5Y+v5Lul6ZmN5L2O5rip5bqm77yM5piv5pyA5L6/5o2355qE5omR54Gr5pa55rOV77yOPGJyPuaVhemAie+8mkHvvI4=
本课配套习题挑战模式5/5
单选题
难度系数：
5.下列关于酒精灯的使用方法中，错误的是
| A: （1）（2） |
| B: （2）（3） |
| C: （3）（4） |
| D: （2）（4） |
一次做对，真牛！
+5奖励规则>
- 提示1：5L2/55So6YWS57K+54Gv5pe26KaB5rOo5oSP4oCc5Lik5p+l44CB5Lik56aB44CB5LiA5LiN5Y+v4oCd44CCIDxicj4=
- 提示2：PC9wcmU+4oCc5Lik5p+l4oCd77ya5qOA5p+l54Gv6Iqv5piv5ZCm5rW45YWl6YWS57K+5Lit77yM5qOA5p+l6YWS57K+54Gv5Lit6YWS57K+5piv5ZCm5aSa5LqO5a6556ev55qE5LiJ5YiG5LmL5LiA
- 提示3：4oCc5LqM56aB4oCd77ya56aB5q2i5ZCR54eD552A55qE54Gv6YeM5re75Yqg6YWS57K+77yM56aB5q2i55So6YWS57K+54Gv5Y675byV54eD5Y+m5LiA5Y+q6YWS57K+54Gv
- 提示4：4oCc5LiA5LiN5Y+v4oCd77ya5LiN5Y+v55So5Zi05ZC554Gt6YWS57K+54Gv77yM5bqU6K+l55So54Gv5bi955uW54Gt54Gr54Sw
- 答案：RA==
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
