初三科学：上册第一章活动13氢气还原氧化铜 (pg17)
Quiz by CHEW HOCK LEONG周福隆
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5 questions
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- Q1影片中的实验，氧化铜是什么颜色的？黑色红色黄色白色Video30s
- Q2影片中的实验，使用什么气体将氧化铜还原成铜？Users enter free textType an Answer30s
- Q3影片中的实验，最后生成铜。请问铜是什么颜色的？白色红色黄色黑色30s
- Q4影片中的实验，在氧化铜被还原的过程中，有没有水的生成？无有Video30s
- Q5Users enter free textType an Answer30s