Practice What You Have Learnt (11.6) - Chemical Effects of Electric Current

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9 questions

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

Question 1.
What is a good conductor?
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Think about materials used in electrical wiring.
Question 2.
Name one liquid that does not conduct electricity well.
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Recall the liquids we discussed in class.
3Question 3.
What can be a good conductor?
- Distilled Water
- Lemon Juice
- Oil
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Remember the liquids we tested.
4Question 4.
Is electroplating a chemical process?
- True
- False
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Think about what happens at the electrodes during electrolysis.
Question 5.
You are given several liquids, including vinegar, olive oil, and tap water. Design an experiment to find out which of these is the best conductor. Outline your steps.
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Pay attention to the liquid's ion content.
Question 6.
Explain how electroplating can change the appearance and properties of an object. Why is it preferred over complete metal manufacture?
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Think about everyday objects you encounter.

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