
金屬 1
Authored by Wing Chan
Science
9th Grade
Used 3+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根據導電能力、展性與價格綜合來看,哪種金屬適合做電線?
鐵
銀
銅
鋁
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
公元前3000年時,以下哪種元素被加入銅中製成青銅?
錫
鐵
鎂
金
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
金屬氧化物+碳-->金屬+二氧化碳
這個反應是什麼?
碳還原法
淘金
直接加熱
電解
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些不是用化學方法提取的金屬?
銅
鐵
金
鈣
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在自然界中以化合物存在的金屬?
金
鉑
鈣
銀
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以質量計算,金屬在地殼中大約佔24%,鉀佔多少%?
2.1%
2.8%
3.6%
以上非是
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以元素形式存在於自然界的金屬有?
(1) 金
(2) 鐵
(3) 銅
(4) 鉑
2,3
1,3
1,4
2,4
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