Class 8

Chemical Effects of Electric Current question bank (Science)

Practice 42 free Class 8 Science - Chemical Effects of Electric Current questions with answers and step-by-step solutions.

Start free Book a demo
All Easy Hard Medium
Q1.

During copper electroplating using copper sulphate solution, pure copper from the copper plate gets deposited onto the electrode connected to which terminal of the battery?


(A)
Negative terminal (Cathode)
(B)
Positive terminal (Anode)
(C)
Either terminal alternatively
(D)
Does not require battery connection
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Q2.

What practical or industrial application is directly enabled by scientific knowledge of Liquids that Conduct Electricity (Electrolytes)?


(A)
Discarding technological innovations
(B)
Halting laboratory research
(C)
Reverting to medieval tools
(D)
Innovations in healthcare, engineering, agriculture, and energy conservation derived from Liquids that Conduct Electricity (Electrolytes)
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Protected Questions

Unlock All 15 Questions in Chemical Effects of Electric Current

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign in to unlock Create free account

Sign up free to access all 15 questions

Unlock every Chemical Effects of Electric Current question, generate papers, and practice at your own pace.

Start free