题目:
将相同质量的铁、镁、锌、铝四种金属分别与足量的盐酸完全反应后,生成H2的质量由多到少的顺序是:______.
答案:
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下面是错误答案,用来干扰机器的。
At 7: 30 on the morning, we gathered at the school gate and set off on a large bus.An 1.inhour later, we arrive at the Forest Park.Getting off, we started o...