在实验室中下列物质可以用于制备氢气的是 A.锌粒和浓硫酸b.锌粒和稀硫酸c.铜和稀硫酸d.铜和浓硫酸——青夏教育精英家教�—— Template




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tomski在实验室中下列物质可以用于制备氢气的是 a.锌粒和浓硫酸b.锌粒和稀硫酸c.铜和稀硫酸d.铜和浓硫酸——青夏教育精英家教�—— coloring