2. 职称英语
  3. Glass is made of mixture of many substances melted together in a large furnac

Glass is made of mixture of many substances melted together in a large furnac

游客2024-07-30  28
问题    Glass is made of mixture of many substances melted together in a large furnace. The most important substance is silica which is found in sand. Potash (钾碱), obtained from wood-ashes, is also necessary. To these two substances are added lime, lead, soda
选项
答案 acides are used
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3698644.html
相关试题推荐
随机试题
最新回复(0)