A zinc galvanizing is used to protect a steel ( iron) fence. Which statement is
ID: 1841942 • Letter: A
Question
A zinc galvanizing is used to protect a steel ( iron) fence. Which statement is true?
Explanation / Answer
Since, the zinc has two excess valance electrons it eventually losses and form postive ion. Thus, its sacrifice electrons in preference to iron and prevents rusting. Thus, correct option is (A).