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What are the chemical effects of electric current?
What are the chemical effects of electric current?
- Increase in solution temperature
- Change in solution viscosity
- Formation of gas bubbles at electrodes (correct)
- Formation of solid precipitates
What is the process of electrolysis?
What is the process of electrolysis?
- Decomposition of ionic substances into simpler substances when an electric current is passed through them (correct)
- Formation of ionic substances when an electric current is passed through them
- Conversion of ionic substances into non-ionic substances when an electric current is passed through them
- Combination of ionic substances when an electric current is passed through them
What is a conductor?
What is a conductor?
- Any material that generates heat when an electric current passes through it
- Any material that completely blocks the flow of electric current
- Any material that allows an electric current to pass through it (correct)
- Any material that changes its color when an electric current passes through it
What is an electric circuit?
What is an electric circuit?
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Which material is an example of a bad conductor or insulator?
Which material is an example of a bad conductor or insulator?
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Chemical effects of electric current include the formation of gas bubbles at electrodes, deposition of metals at electrodes, and changes in solution color.
Chemical effects of electric current include the formation of gas bubbles at electrodes, deposition of metals at electrodes, and changes in solution color.
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Rubber and plastic are examples of good conductors.
Rubber and plastic are examples of good conductors.
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Passing an electric current through an ionic substance does not cause any decomposition.
Passing an electric current through an ionic substance does not cause any decomposition.
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An electric circuit is a closed-loop path through which a current can flow.
An electric circuit is a closed-loop path through which a current can flow.
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Metals like copper are examples of insulators.
Metals like copper are examples of insulators.
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