Engineering Chemistry 1 min read
Determination of Hardness of Water by Winkler’s method:
The determination of dissolved oxygen is to bring about the oxidization of potassium iodide with the dissolved oxygen present in…
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Engineering Chemistry 1 min read
Water and It’s Treatment
Introduction The pure water is composed of two parts of hydrogen and one part of oxygen by volume and dissolves…
Engineering Chemistry 3 min read
Surface coatings
The application of surface coating is the common method to protect the surface of the metal from the corroding environment.…
Engineering Chemistry 5 min read
Metallic coatings
The surface of the base metal is coated with another metal (coating metal). Metallic coatings are broadly classified into anodic…
Engineering Chemistry 2 min read
Corrosion control methods
I. Cathodic protection The method of protecting the base metal by making it to behave like a cathode is called…
Engineering Chemistry 5 min read
Types of corrosion
1. Waterline corrosion or Concentration cell corrosion This type of corrosion occurs due to electrochemical attack of the metal surface…
Engineering Chemistry 1 min read
Wet corrosion or electrochemical corrosion
· This type of Corrosion occurs where a conducting liquid is in contact with the metal. This corrosion occurs due to…
Engineering Chemistry 2 min read
Corrosion and Its Control
Corrosion The surface of almost all the metals begin to decay more or less rapidly when exposed to atmospheric gases,…
Engineering Chemistry 1 min read
Numerical Problems
Q 1. The resistance of 0.1 N solution of an electrolyte is 40 ohms. If the distance between the electrodes…
Engineering Chemistry 1 min read
Battery Chemistry
Batteries: When two or more electrochemical cells are electrically interconnected, each of which containing two electrodes and an electrolyte is…
