Lakhmir Singh and Manjit Kaur Solutions for Chapter: Chemical Effects of Electric Current, Exercise 4: Multiple Choice Questions (MCQs)

Author:Lakhmir Singh & Manjit Kaur

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

MEDIUM
8th CBSE
IMPORTANT

One of the following is not used for electroplating metal articles. This one is:

MEDIUM
8th CBSE
IMPORTANT

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

MEDIUM
8th CBSE
IMPORTANT

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

MEDIUM
8th CBSE
IMPORTANT

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

MEDIUM
8th CBSE
IMPORTANT

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

MEDIUM
8th CBSE
IMPORTANT

The process of purification of an impure metal is like: 

MEDIUM
8th CBSE
IMPORTANT

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

HARD
8th CBSE
IMPORTANT

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?