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[题目]新能源的开发利用是当今全球的一个重大研究课题,氢能是一种极为优越的新能源,发展氢能源有着广阔的前景。有人提出了以下二种制备氢气的方法:(1)根据“绿色化学”的思想,为了制备H_2,某化学家设计了下列化学反应步骤:
[Subject] The development and utilization of new energy is a major research topic in the world today. Hydrogen energy is a kind of extremely superior new energy and has broad prospects for the development of hydrogen energy. The following two methods for preparing hydrogen have been proposed: (1) According to the idea of “green chemistry”, in order to prepare H 2, a chemist has designed the following chemical reaction steps: