
J3 上册 地球矿物资源的开发和利用
Authored by wan hawl
Science
8th Grade
Used 4+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列物质中,哪一物质不属于矿物?
金刚石
石油
石英
铝土矿
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
悟天先生新开张了一家珠宝店,他们除了提供珠宝的售卖,还免费提供珠宝的鉴定服务。
鉴别矿物的主要物理性质依据包括( )。
I 硬度
II 密度
III 颜色
IV 光泽
I, II
II, III
II, III, IV
I, II, III, IV
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
用于量度矿物被刮损的难易程度的性质是___________
光泽
硬度
解理
断口
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列变化过程不属于金属冶炼的是。。。
高炉炼铁
铁在氧气中燃烧
金属氧化物与焦炭在高温下反应
高温下一氧化碳还原氧化铁
5.
MULTIPLE CHOICE QUESTION
1 min • 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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列物质能用于制造光导纤维的是____________。
钢
陶瓷
碳酸钙
二氧化硅
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
哪一个物质主要成分是氧化钙、强烈的吸水性、干燥剂是( )。
碳酸钙
生石灰
硅酸钠
熟石灰
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