English

At ordinary temperature the surface of metals such as magnesium, aluminium, zinc etc. is covered with a thin layer. What is the composition of "this layer? State its importance.

Advertisements
Advertisements

Question

At ordinary temperature the surface of metals such as magnesium, aluminium, zinc etc. is covered with a thin layer. What is the composition of "this layer? State its importance.

Short Answer
Advertisements

Solution

The thin layer is composed of metal oxides and hydroxides.

Importance: It acts as a protective layer from corrosion for the underlying metal.

shaalaa.com
  Is there an error in this question or solution?
2023-2024 (March) Outside Delhi Set 3
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×