Chemical Effects of Electric Current - Class VIII Quiz
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Preview questions
1. What is the primary chemical effect of electric current?
Heating effect · Magnetic effect · Electrolysis · Chemical decomposition
2. Which of the following solutions can conduct electric current?
Pure water · Salt solution · Sugar solution · Distilled water
3. What happens to water during electrolysis?
It evaporates · It decomposes into hydrogen and oxygen · It freezes · It turns into acid
4. Which of the following is a product of electrolysis of water?
Chlorine · Hydrogen · Ozone · Nitrogen
5. What is the role of electrodes in electrolysis?
To provide heat · To conduct electricity · To produce light · To dissolve substances
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