用下列仪器的编号回答问题．①容量瓶 ②蒸馏烧瓶 ③酸式滴定管 ④量筒 ⑤烧杯 ⑥托盘天平 ⑦分液漏斗（1）加热时必须垫石棉网的有　_1　，（2）使用时必须检查是否漏水的有　_2　，（3）标有零刻度的有_刷题宝

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用下列仪器的编号回答问题．

①容量瓶 ②蒸馏烧瓶 ③酸式滴定管 ④量筒 ⑤烧杯 ⑥托盘天平 ⑦分液漏斗

（1）加热时必须垫石棉网的有　 ____　，

（2）使用时必须检查是否漏水的有　 ____　，

（3）标有零刻度的有　 ____

上一题下一题 0.0难度选择题更新时间:2018-05-13 04:02:10

答案(点此获取答案解析）

②⑤,①③⑦,③⑥

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