(2)验证氯气的氧化性强于碘的实验现象是_____。
上一篇 The first and last scenic spots to he visited in Xi’an are . A. the Terracotta Warrior
下一篇 ②该同学在开关断开情况下,检查电路连接无误后,将R2的阻值调至最大。后续的实验操作步骤依次是____
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