Question

1 . What effect does the current produced when it flows through a conducting solution ?

2 . Name the gases released when electric current is produced through water .

3 . what is the application of chemical effects of electricity in our daily life ?
Give examples

Note : Give examples with full explanation to the question

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Answer 1

Answer:

1. The passage of an electric current through a conducting solution causes chemical reactions. As a result, bubbles of a gas may be formed on the electrodes. Deposits of metal may be seen on electrodes. Changes of colour of solutions may occur
2. Electrolysis is the process of using an electrical current to separate water into hydrogen and oxygen gas. The electrical charge that is applied to water will break the chemical bond between the hydrogen and oxygen atoms and produce charged particles called ions.
3. The process of depositing a layer of any desired metal on another material by means of electricity is called electroplating. It is one of the most common applications of chemical effects of electric current. Electroplating is a very useful process.

Answer 2

☛1. When an electric current flows through the conducting solution, it causes a chemical reaction (or chemical change).

These chemical reactions may produce one or more of the following effects:

i) Bubbles of gas (or gases) may be formed on the electrodes.

ii) Deposits of metals may form on electrodes.

iii) Change in colour of solution may occur.

☛2.

i)When electric current is passed through water, water dissociates into hydrogen and oxygen.

ii)Hydrogen is deposited over negative pole and oxygen is deposited over positive pole.

iii)Deposition of hydrogen and oxygen at different poles is visible in the form of bubbles.

☛3. Carrying chemical reactions by the effect of electricity is called the chemical effect of electric current.

Examples of Chemical Effect

i) Electroplating: One metal is coated on the other substance or metal by the effect of electric current. This is called electroplating.

ii) Electrolysis: The compound is decomposed into its constituents under the effect of electric current is called electrolysis.