两种质量相同的物质,密度不同,混合后,密度有何变化
推荐回答(2个)
两种情况
一是 两种物质可以互溶 比如 蔗糖 和水 密度不一样
各取 一千克 混合 蔗糖溶解进 水里
混合后的 蔗糖水溶液 密度介于 蔗糖 和水之间
二是 两种物质不相溶 混合后 会形成 悬浊 乳化 分层 等现象
比如 水和食用油 混合后油水分层 密度大的在下边
还有 水和沙子 混合后 沙子直接沉在水底
望采纳
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