Current Electri...

The resistance of a cell does not depend on

The electrochemical equivalent of a metal is 3.3 × 10^–7 kg/coulomb. The mass of the metal liberated at the cathode when a 3 A current is passed for 2 seconds will be

Faraday\'s 2nd law states that mass deposited on the electrode is directly proportional to

The electrochemical equivalent of a material in an electrolyte depends on

If 96500 coulombs of electricity liberates one gram equivalent of any substance, the time taken for a current of 0.15 amperes to deposit 20 mg of copper from a solution of copper sulphate is (Chemical equivalent of copper = 32)

How much current should be passed through acidified water for 100 s to liberate 0.224 litre of H₂

Who among the following scientists made the statement- \"Chemical change can produce electricity\"

The current flowing in a copper voltameter is 3.2 A. The number of copper ions (Cu²⁺ ) deposited at the cathode per minute is

A copper and a chromium voltameter are connected in series with a battery. It found that in half an hour 0.475 g of copper and 0.130 g of chromium have been deposited. The ECE ratio of copper and chromium is

When a current passes through the junction of two different metals, evolution or absorption of heat at the junction is known as