Iron can be protected from corrosion by coating the surface with?
What quantity of aluminum is deposited when a current of 10A is passed through a solution of an aluminum salt for 1930s? [Al = 27, F = 96500 C mol -1]
In which of the following is the entropy change positive?
If a reaction is exothermic and there is a great disorder, it means that?
In the preparation of oxygen by heating KClO\(_3\) in the presence of MnO\(_2\), only moderate heat is needed because the catalyst acts by?