下列变化中属于化学变化的是a用石墨制�刚石b用二氧化碳制干冰c用石油炼制汽油d用浓硫酸配制稀硫酸——青夏教育精英家教�—— Template




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tomski下列变化中属于化学变化的是a用石墨制�刚石b用二氧化碳制干冰c用石油炼制汽油d用浓硫酸配制稀硫酸——青夏教育精英家教�—— coloring