氯碱工业的原料为食盐和水，所以氯碱工厂最好是选择靠近生产食盐的基地，以降低食盐的运输成本。下列关于电解NaCl水溶液的说法不正确的是
| A．电解产物为Cl2和Na |
| B．电解过程中能产生黄绿色气体 |
| C．电解一段时间后，将全部电解液转移到烧杯中，然后滴加酚酞溶液，溶液呈红色 |
| D．用排水集气法可以收集到较纯净的氢气 |
相关试题
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
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