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Electrolysis is the chemical process of using an electrical current to stimulate nonspontaneous reactions. A non-spontaneous reaction is one that needs energy to work while it proceeds. In other words, the process would not happen on its own, as it goes in an unfavorable, or a reversed, direction. This process requires an anode, a positively charged electrode, and a cathode, a negatively charged electrode. Oxidation occurs at anode and reduction occurs at the cathode. Hence, option A is correct.
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Two alloys are mixed in the ratio of 3:5. The first alloy contains 60% gold, while the second alloy contains 80% gold. Find the percentage of gold in th...
The Jar contains only 8 litres of milk and the rest is water. A new mixture in which concentration of milk is 30%, is to be formed by replacing the Jar ...
A jar contains a mixture of milk and water in the ratio 6:5, respectively. If 10-litres of the mixture is taken out, then the quantity of water left in ...
A mixture with a total volume of 150 liters consists of milk and water in a ratio of 2:3. If an additional 120 liters of pure milk is added to this mix...
In a mixture, nitrogen and HCL are present in a 4:1 ratio. After removing 25% of the mixture and replacing it with 'x' liters of HCL, the ratio of nitro...
A container contains a mixture of wine and water in the ratio of 4:1. 150 litres of the mixture was taken out and 50 litres of water was added to it. If...
An alloy of artificial gold contains 83% Copper and remaining Aluminium. In an another alloy, Copper is 91% and Aluminium is 7%. In what ratio should th...
A mixture contains alcohol and water in the ratio 7:3. If 15 liters of water is added to the mixture, the ratio becomes 7:5. What is the initial quantit...
