下列物质的变化过程中属于放热反应的是 A.水蒸气变为水放出热量b.稀释浓硫酸c.生石灰与水反应d.氯酸钾分解制氧气——青夏教育精英家教�—— Template




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tomski下列物质的变化过程中属于放热反应的是 a.水蒸气变为水放出热量b.稀释浓硫酸c.生石灰与水反应d.氯酸钾分解制氧气——青夏教育精英家教�—— coloring