Question

When a piece of impure Zn and pure Zn
comes in contact with moisture, which one
will corrode faster?
Both will corrode at same rate
Impure Zn
Both remain as it is
Pure Zn​

Answer 1

Which metal corrode faster :

Explanation:

• Impure metals are essentially combination of lot of micro electrodes.
• Pure metals doesn't have electrical with another metal and environment corrosion is happened.
• Impure have electrical contact and is a huge possibility of galvanic corrosion and other forms.
• So, impure Zn remain same and pure Zn will corrode fast it become impure.