|Class 7 Chemistry Physical and Chemical Changes||Prevention of rusting of iron|
Prevention of rusting of iron
Following methods can be used to prevent corrosion:
Method to protect steel and iron articles from rusting by coating them with a thin layer of zinc.
Fig. Galvanised iron used for fencing
Homogeneous mixture of two or more metals, or a metal and a non-metal to change the properties of the pure state metals and protect them from rust.
Fig. Stainless steel
Fig. Musical instrument made of Brass (left) and bronze statue (right)
Solder is an alloy of lead and tin (Pb and Sn) possessing low melting point and is used for welding electrical wires together