In an electrolytic set-up to protect iron from corrosion,...
In an electrolytic set-up to protect iron from corrosion, the iron is?
made cathode
made anode
used with a metal of lower electropositive potential
initially coated with tin
Correct answer is A
In cathodic protection,iron object is made cathode by connecting it with reactive elements like magnesium,zinc.
Which of the following processes leads to increase in entropy? ...
Which of the following salts is slightly soluble in water? ...
Which of the elements in the table below would react more readily with chlorine? &nbs...
Which of the following metals does not react with water to produce hydrogen? ...
When calcium oxide is heated with carbon, the oxide will ...
Cellulose and starches can be classified as one of the following? ...
Given that M is the mass of substance deposited in an electrolysis and Q the qua...