Here are the Matric 9th Chemistry Notes Chapter 7 Electrochemistry -
MCQs,Questions and Practicals. It Includes short questions, Long
question and Practical Questions.
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Define Corrosion. What is its chemical nature?
Give examples.
Ans.
Corrosion:
"Corrosion is slow and continuous eating away of a metal by the surrounding medium.
Chemical Nature of
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