MEDIUM
8th CBSE
IMPORTANT
Earn 100

Differentiate between good conductors and bad conductors of electricity.

Important Questions on Chemical Effects of Current

MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 18 - Chemical Effects of Current>EXERCISE>Q 3
What is the full form of LED? How is it used to test the conductivity of liquid?
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 18 - Chemical Effects of Current>EXERCISE>Q 4
Why is milk considered to be a good conductor of electricity?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 18 - Chemical Effects of Current>EXERCISE>Q 5
Define electrolysis. Write its three uses.
HARD
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 18 - Chemical Effects of Current>EXERCISE>Q 1
What are the different types of conduction testers? Explain any two.
EASY
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 18 - Chemical Effects of Current>EXERCISE>Q 2
Normal water conducts electricity, whereas distilled water does not. Explain.
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 18 - Chemical Effects of Current>EXERCISE>Q 3
Explain with the help of an activity that liquid conducts electricity.
HARD
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 18 - Chemical Effects of Current>EXERCISE>Q 4
What is electroplating? What are its uses? What are its drawbacks?
MEDIUM
8th CBSE
IMPORTANT
Sciwise - A coursebook of Science>Chapter 18 - Chemical Effects of Current>EXERCISE>Q 5
Rohan wants to electroplate an iron nail with copper. Explain the steps of doing so using the technique of electroplating.