挑战习题
1/5单选题
难度:

1.两份等质量的铝粉,一份加入足量氢氧化钠溶液中,一份加入足量盐酸中,充分反应后收集到相同条件下的氢气体积比为
A 1︰1
B 2︰1
C 1︰4
D 1︰2
提示1:
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正确答案:QQ==
6ZOd5pei6IO95LiO5rCi5rCn5YyW6ZKg5rq25ray5Y+N5bqU55Sf5oiQ5rCi5rCU77yM5ZCM5pe25Y+I6IO95LiO55uQ6YW45Y+N5bqU55Sf5oiQ5rCi77yM5Zyo6LSo6YeP55u4562J55qE6ZOd5Lit77yM5YW25a6M5YWo5Y+N5bqU6L2s56e755qE55S15a2Q5pWw55u4562J77yM5Y2z55Sf5oiQ55qE5rCi5rCU55qE6YeP55u45ZCM77yM5omA5Lul77yM5YWF5YiG5Y+N5bqU5ZCO5pS26ZuG5Yiw55u45ZCM5p2h5Lu25LiL55qE5rCi5rCU5L2T56ev5q+U5Li6Me+8mjHvvJs=