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单选题 Sulfur is connected by ()
学科：煤化学
时间：2023-11-26 16:50:37
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题目1单选题
Which element can form simple substance mineralA. copperB. ironC. zincD. calcium
题目2单选题
Sulfur is connected by ()A. covalent bondB. ionic bondC. metallic bondD. molecule bond
题目3单选题
Whish is not the property of graphiteA. black colourB. low hardnessC. eminent cleavageD. glass luster
题目4单选题
Which following item can be the origin of sulfurA. biochemical sedimentationB. mechanical sedimentationC. chemical weatheringD. pegmatitization
题目5单选题
Which element can not form sulfide mineralA. tungstenB. ironC. silverD. mercury
题目6单选题
What is the main origin of sulfide mineralA. sedimentationB. magmatismC. hydrothermalismD. metamorphism
题目7单选题
Which is the steak colour of chalcopyriteA. whiteB. greenC. blueD. yellow
题目8单选题
Which mineral usually contains the rare element such as Ga, In, and GeA. galenaB. sphaleriteC. pyriteD. chalcopyrite
题目9单选题
Which following mineral is complex sulfideA. galenaB. sphaleriteC. pyriteD. chalcopyrite
题目10单选题
Which following property is right for pyriteA. black steakB. subtransparentC. good cleavageD. magnetic
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