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Chemical Effects of Electric Current - Class VIII Quiz
Class VIII
Science
Chemical Effects of Electric Current
13 questions
MEDIUM
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Preview questions
1. What is the primary effect of electric current in a conducting solution?
Heating effect · Chemical effect · Magnetic effect · Mechanical effect
2. Which of the following is a common electrolyte used in experiments?
Sugar solution · Salt solution · Pure water · Oil
3. What is produced at the cathode during electrolysis of water?
Hydrogen gas · Oxygen gas · Chlorine gas · Nitrogen gas
4. What happens to the pH of a solution when an acid is formed during electrolysis?
Increases · Decreases · Remains the same · Becomes neutral
5. Which of the following materials is a good conductor of electricity?
Rubber · Copper · Glass · Wood
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