Practice Activity 11.1 - 11.4.1 | 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? Provide an example.

💡 Hint: Think of materials commonly used in electrical wires.

Question 2

Easy

What happens to the bulb when the tester dips into a conducting liquid?

💡 Hint: Consider why the bulb lights up.

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 a good conductor?

  • Plastic
  • Water
  • Copper

💡 Hint: Think about the materials used in electrical wiring.

Question 2

True or False: Distilled water is a good conductor.

  • True
  • False

💡 Hint: Recall the definitions of good conductors.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If you combined lemon juice and distilled water in equal parts, what would you expect to happen to the conductivity compared to pure distilled water? Explain your reasoning.

💡 Hint: Consider the properties of acidic solutions.

Question 2

Imagine conducting an experiment using vinegar and sugar water. Which would you hypothesize has higher conductivity, and why?

💡 Hint: Reflect on how acids behave in solutions.

Challenge and get performance evaluation