
第4章 地球矿物资源的开发和利用
Authored by W.Y. Tan
Science
9th Grade
Used 37+ times

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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
马来西亚许多华人显现祖辈,就是从中国南下马来亚当矿工采矿为生。有关矿物的叙述,何者不正确?
矿物一定是天然形成的
矿物一定是固体(汞除外)
矿物具有一定的组成与结构
矿物一定是有机物
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
不同矿物,其主要成分不同,氧化物是许多矿物的主要成分。下列各种矿物中,其主要成分属于氧化物的是___。
石英
磷矿石
金刚石
大理石
3.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
鉴别矿物的主要物理性质依据包括____。
硬度
密度
颜色
光泽
活泼性
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
光导纤维的主要成分是......
硅
二氧化硅
硅酸钠
石灰石
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
下列物质的主要成分不是二氧化硅的是。。。
石英
水晶
金刚石
玛瑙
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
氧化钙是其中一种常用的干燥剂,他的俗名是。。。
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
石灰水是_____溶液
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