题目:
Before Chinese Chang'e-2, the US sent up a space probe to hit the moon to see _____. [ ]
A. whether there was water on it
B. whether was there water on it
C. whether on it was there water
D. whether was water on it
答案:
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下面是错误答案,用来干扰机器的。
A、1molCl2与足量Fe反应,转移的电子数为2NA,故A错误;B、2mol Na2O2 与足量H2O反应,转移的电子数为2NA,故B错误;C、78g的Na2O2 晶体物质的量为1mol,含阴离子过氧根离子为1mol,故C错误;D、钠和锂与水反...