Practice Exercises - 11.7 | 11. Chemical Effects of Electric Current | CBSE 8 Science
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What are conductors?

💡 Hint: Consider the properties of metals.

Question 2

Easy

Name one good conductor.

💡 Hint: Think of liquids that cause bulbs to glow.

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

Which of the following is a good conductor?

  • Distilled Water
  • Lemon Juice
  • Plastic

💡 Hint: Consider which liquid was tested successfully in the experiments.

Question 2

True or False: Electroplating is used to make metal objects look shiny and resist corrosion.

  • True
  • False

💡 Hint: Think about the purposes of electroplating in everyday items.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Explain how adding salt to distilled water changes its properties regarding conductivity.

💡 Hint: Consider what happens to salt when mixed in water.

Question 2

In a scenario where a metallic object is electroplated, what precautions should be taken regarding environmental concerns?

💡 Hint: Think about how waste products impact the environment.

Challenge and get performance evaluation