Electrochemistry Ques 61
61. The most convenient method to protect the bottom of ship made of iron is
[2001]
(a) Coating it with red lead oxide
(b) White tin plating
(c) Connecting it with Mg block
(d) Connecting it with Pb block
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Answer:
Correct Answer: 61.(c)
Solution:
(c) For bottom of ship to be protected, it is connected with more reactive metal than iron likemagnesium. This technique is called cathodic protection.
BETA
