Which of the following is not ...
Which of the following is not a consequence of hydrogen bubbles covering the copper plate of a primary cell?
formation of hydrogen bubbles on the electrode
increase in the resistance of the cell
local action
polarization
Correct answer is C
If the zinc used in the simple cell is of the impure commercial variety bubbles of hydrogen will be seen coming off the zinc. This is called local action
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An example of a mechanical wave is--------- ...
Efficiency of conduction in liquids and gases compared to solids is ...
A calorimeter of thermal capacity 80j contains 20g of water at 25°C. Water at 100°C is added...