EASY
8th CBSE
IMPORTANT
Earn 100

Instead of taking the trouble of electroplating metals with chromium for making car parts, taps, cycle parts, etc., why are these objects not made of chromium itself?

Important Questions on Chemical Effects of Electric Current

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 18 - Chemical Effects of Electric Current>ORAL QUESTIONS>Q 1
Which of the following will conduct electricity- tap water or distilled water? Why?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 18 - Chemical Effects of Electric Current>ORAL QUESTIONS>Q 2
Conduction of electricity in liquids occurs through electrons. Do you agree? Give reasons.
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 18 - Chemical Effects of Electric Current>ORAL QUESTIONS>Q 3
When a liquid conducts electricity, a process other than conduction also takes place. What process is that?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 18 - Chemical Effects of Electric Current>ORAL QUESTIONS>Q 1
To electroplate copper on a metal object, what will you use as the electrolyte, anode, cathode?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 18 - Chemical Effects of Electric Current>ORAL QUESTIONS>Q 2
What is the need to electroplate one metal over other?
MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 18 - Chemical Effects of Electric Current>EXERCISES>Q A
Electric current is the flow of particles with :
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 18 - Chemical Effects of Electric Current>EXERCISES>Q A
Which of the following is not a conductor of electricity?
EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 18 - Chemical Effects of Electric Current>EXERCISES>Q A
An electrolyte is a :