Practice Extended Learning — Activities and Projects - 11.8 | 11. Chemical Effects of Electric Current | CBSE 8 Science
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a good conductor of electricity?

💡 Hint: Think of common metals.

Question 2

Easy

Name one liquid that is a poor conductor.

💡 Hint: Consider water types.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary purpose of electroplating?

  • To create electrical energy
  • To deposit a layer of metal
  • To measure conductivity

💡 Hint: Consider the applications of electroplating.

Question 2

True or False: Distilled water is a good conductor of electricity.

  • True
  • False

💡 Hint: Think about its purity and composition.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You have three different solutions: lemon juice, distilled water, and baking soda solution. Conduct tests and explain the outcomes based on ion presence.

💡 Hint: Think about how ions affect conductivity.

Question 2

Design an experiment to compare the effectiveness of electroplating with two different metals; detail the steps and expected results.

💡 Hint: Focus on the roles of metal ions during the electroplating process.

Challenge and get performance evaluation