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混合在一起的铁屑、木屑、沙子和糖,怎样才能把它们分开?快想出最简单、最方便的步骤来!1.准备好实验需要的铁屑、木屑、沙子和糖,锅和磁铁,以及纱布。2.将4种材料混合在一起后,先用磁铁从混合物中吸出铁屑。3.把混合物倒入水中,这样,木屑就会浮起来,用纱布把木屑打捞上来,就只剩沙子和溶解的糖了。4.把剩余的水倒入锅中,接着就可以捞出在水底部的沙子。5.把倒入锅中的水加热至完全蒸发,剩下的就是糖了。
Mix together the iron filings, sawdust, sand and sugar, how can we separate them? Come up with the simplest and most convenient steps! 1 ready for the experiment needs iron filings, sawdust, sand and sugar, pots and magnets , As well as gauze. 2. After mixing the four materials together, remove the iron filings from the mixture with a magnet. 3. Pour the mixture into water so that the shavings will float and salvage the shavings with gauze, leaving only the sand and dissolved sugar. 4. Pour the remaining water into the pot, then remove the sand at the bottom of the water. 5. The water poured into the pot is heated to completely evaporate, the rest is sugar.