71. Corrosion of metals can be prevented when contact between metal and _____is cut off.
72. Iron is galvanized when it is dipped in
73. The process of giving a coating of _____ to copper or brass is called tinning.
74. Which of the following pairs will give displacement reactions?
MCQ Multiple Choice Questions and Answers on Metals and Non-metals
Metals and Non-metals Trivia Questions and Answers PDF
Metals and Non-metals Question and Answer
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