Practice Activity 11.4 - 11.4.4 | 11. Chemical Effects of Electric Current | CBSE 8 Science
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Activity 11.4

11.4.4 - Activity 11.4

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a good conductor?

💡 Hint: Think of metals like copper.

Question 2 Easy

Does distilled water conduct electricity?

💡 Hint: Consider what is missing from distilled water.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does distilled water primarily lack that affects its conductivity?

Ions
Molecules
Color

💡 Hint: Think about what makes liquids conductive.

Question 2

True or False: Adding salt to distilled water makes it a poor conductor.

True
False

💡 Hint: Consider how solubility affects conductivity.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

If you mixed equal parts of distilled water, saltwater, and vinegar, which would be the best conductor? Explain your reasoning based on ion concentration.

💡 Hint: Consider which solution produces more ions.

Challenge 2 Hard

Design an experiment to compare the conductivity of three different liquids: distilled water, saltwater, and sugar water. Outline the steps you would take and the expected outcomes.

💡 Hint: Think about ion presence in each liquid.

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