EASY
8th CBSE
IMPORTANT
Earn 100

Draw a circuit diagram to test whether current can pass through mustard oil or not.

Important Questions on Chemical Effects of Electric current

MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q D
Describe an activity depicting the chemical effect of electric current.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q D
Describe five possible chemical effects of an electrolysis process.
HARD
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q D
Describe the electroplating method of coating silver on a steel spoon.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q E
What are direct current and alternating currents? On which type of current your air conditioner, toaster, torch, computer and television works?
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q E
You must have noticed that fuse of your house electricity shuts down due to overloading. What is this overloading, and why does it happen?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 13 - Chemical Effects of Electric current>EXERCISES>Q E

Suppose that there are two samples of water. Sample A shows conductivity, while sample B does not. What are these two samples? What should be added to sample B so that it conducts electricity?