Practice Chemical Effects Of Electric Current (11.2) - Chemical Effects of Electric Current

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9 questions

Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a conducting solution?
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Think of common substances that dissolve in water.
Question 2.
Name one experiment to demonstrate the chemical effects of electric current.
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What substances can conduct electricity?
3Question 3.
What is the primary effect of electric current passing through water with salt?
- No effect
- Gas production
- Temperature increase
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Think about visible changes you might observe.
4Question 4.
True or False: All liquids can conduct electricity.
- True
- False
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What about pure water?
Question 5.
Design an experiment using any fruit to test its conductivity. Explain the procedure and expected results.
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Think about what is happening at each wire.
Question 6.
Assess the safety concerns of handling electric current with wet hands and how understanding electric effects can help.
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Consider why certain materials are used in everyday appliances.

5 more questions in this section. Enroll free to practise them all.