Lakhmir Singh and Manjit Kaur Solutions for Chapter: Chemical Effects of Electric Current, Exercise 4: Multiple Choice Questions (MCQs)
Lakhmir Singh Science Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Chemical Effects of Electric Current, Exercise 4: Multiple Choice Questions (MCQs)
Attempt the free practice questions on Chapter 14: Chemical Effects of Electric Current, Exercise 4: Multiple Choice Questions (MCQs) with hints and solutions to strengthen your understanding. Lakhmir Singh's SCIENCE FOR CLASS 8 solutions are prepared by Experienced Embibe Experts.
Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Chemical Effects of Electric Current, Exercise 4: Multiple Choice Questions (MCQs) with Hints & Solutions
One of the following is not used for electroplating metal articles. This one is:

An arrangement having two carbon rods kept in a conducting liquid in a vessel is known as _____.

Which of the following effects is not produced by the chemical reactions brought about by electric current?

Which of the following can be electroplated with chromium ?
A. Bakelite
B. Graphite
C. Steel
D. Teflon

In order to obtain a coating of silver metal on a flower vase made of copper, the electrolyte has to be:

The process of purification of an impure metal is like:

The device which can be used to detect very small current flowing in an electric circuit is:

If plus sign denotes the positive electrode and minus sign denotes the negative electrode, then which of the following statement is correct for an iron spoon to be copper-plated?
