S.4 Ch.13 Metal Corrosion and protection
Quiz
•
Chemistry
•
10th Grade
•
Medium
Lai Cheung
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鐵銹指示劑是含有 (K3[Fe(CN)6])、 ________和_______的混合物。
六氰合鐵(III) 酸鉀、氯化鈉
六氰合鐵(III) 酸鉀、酚酞
酚酞、氯化鈉
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項是鐵銹的化學式?
A. FeO
B. Fe(OH)3
C. Fe2O3
D. Fe2O3․nH2O
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鐵在下列哪個情況下的銹蝕最快?
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪個實驗裝置中鐵釘的銹蝕最慢?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項或哪些有關腐蝕作用的陳述正確?
(1) 錫的抗腐蝕能力較鐵強。
(2) 銅的腐蝕稱為銹蝕。
(3) 鐵只需要氧便會腐蝕。
A. 只有(1)
B. 只有(2)
C. 只有(1)和(3)
D. 只有(2)和(3)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
食品罐的表面鍍上錫,而不是鋅,因為
(1) 錫較鋅活潑,所以更能保護鐵。
(2) 錫離子是無毒的,而鋅離子是有毒的。
(3) 鋅較錫昂貴。
A. 只有(1)
B. 只有(2)
C. 只有(1)和(3)
D. 只有(2)和(3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下圖顯示了馬路旁的防撞欄。
下列哪項方法可用來防止防撞欄銹蝕?
A. 塗上油脂
B. 使用合金
C. 鍍錫
D. 鍍鋅
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪項組合正確?
1. 金屬製品:
2.防腐蝕的方法:
電鑽頭;
包上塑膠層
地下水管 ;
陰極保護
萬字夾;
使用合金
船身;
電鍍
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