Practice Activity 11.3 - 11.4.3 | 11. Chemical Effects of Electric Current | CBSE 8 Science
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Activity 11.3

11.4.3 - Activity 11.3

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the purpose of the tester in Activity 11.3?

💡 Hint: Think about the components we use in the tester.

Question 2 Easy

Name one good conductor of electricity.

💡 Hint: Recall the liquids we tested.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which liquid is a good conductor of electricity?

Distilled Water
Lemon Juice
Vegetable Oil

💡 Hint: Recall our findings from the tests.

Question 2

True or False: Distilled water has high conductivity.

True
False

💡 Hint: What did we observe when testing distilled water?

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Imagine you conducted an experiment with a liquid that showed no deflection on the compass needle. Propose a method to make that liquid conduct electricity and justify your approach.

💡 Hint: Think about what substances increase conductivity.

Challenge 2 Hard

You performed the experiment with sugar dissolved in water, but no deflection occurred. Explain why sugar doesn’t conduct electricity.

💡 Hint: Consider the difference between ionic and covalent substances.

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Reference links

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