煮鸡蛋时,小红认为:水烧开后要继续将火烧得很旺,使锅内水剧烈沸腾,这样熟得快;小明则认为,水沸腾后改用小火,让锅内水微微沸腾,同样能很快将鸡蛋煮熟,而且节省燃料.你认

时间:2024-04-30 08:47:02 5A范文网 浏览: 平时作业 我要投稿

问题描述:

煮鸡蛋时,小红认为:水烧开后要继续将火烧得很旺,使锅内水剧烈沸腾,这样熟得快;小明则认为,水沸腾后改用小火,让锅内水微微沸腾,同样能很快将鸡蛋煮熟,而且节省燃料.你认为谁的想法更合理,为什么?
最佳答案

答:锅内水剧烈沸腾后,温度将不再升高,只需要小火让锅内水微微沸腾,同样能很快将鸡蛋煮熟;所以小明的想法更合理,这样水沸腾时加热温度不变,用小火加热,保持水的沸腾状态,可以节约能源.

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