Chemical effects of electric current are observed due to ____.

change in temperature

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change in state of the matter

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chemical reactions

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physical changes

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Solution

The correct option is C chemical reactions
The passage of an electric current through a conducting solution causes chemical reactions. Due to this, some effects are observed like release of gases, colour change, etc. These are also known as chemical effects of electric current.

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Q. Question 4

When the electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates

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Its chemical properties remain the same. Usually increasing the temperature of applying pressure or both brings about a physical change. On reversing the condition, i.e., reducing the temperature or reducing the pressure or both, the original state of matter is restored. In other words, physical changes are reversible. A chemical change is a change that involves a change in the chemical composition of matter. A new substance is formed. In a chemical change, the chemical and physical properties of the substance is formed. In a chemical change, the chemical and physical properties of the substance formed will be different from the original substance. When zinc carbonate is heated and cooled, the change(s) that are observed are :

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Chemical effects of electric current are observed due to ____.

The correct option is C chemical reactionsThe passage of an electric current through a conducting solution causes chemical reactions. Due to this, some effects are observed like release of gases, colour change, etc. These are also known as chemical effects of electric current.

The correct option is C chemical reactions
The passage of an electric current through a conducting solution causes chemical reactions. Due to this, some effects are observed like release of gases, colour change, etc. These are also known as chemical effects of electric current.