Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Chapter: Chemical Effects of Electric Current, Exercise 4: EXERCISES

Author:Dr. J M D'Souza & Dr. Kirti J D'Souza

Dr. J M D'Souza Science Solutions for Exercise - Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Chapter: Chemical Effects of Electric Current, Exercise 4: EXERCISES

Attempt the free practice questions on Chapter 14: Chemical Effects of Electric Current, Exercise 4: EXERCISES with hints and solutions to strengthen your understanding. EUREKA PLUS Revised Bringing Science to Life solutions are prepared by Experienced Embibe Experts.

Questions from Dr. J M D'Souza and Dr. Kirti J D'Souza Solutions for Chapter: Chemical Effects of Electric Current, Exercise 4: EXERCISES with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>EXERCISES>Q 3

When NaCl dissolves in water, it breaks into

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>EXERCISES>Q 4

A strong acid is a 

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>EXERCISES>Q 5

The electrode connected to the positive terminal is the

HARD
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>EXERCISES>Q 1

Draw a labelled diagram to show that hydrochloric acid (HCl) forms a strong electrolyte.

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>EXERCISES>Q 2

Explain electrolysis of NaCl.

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>EXERCISES>Q 3

Explain with a suitable example the electroplating of a metal object.

MEDIUM
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>EXERCISES>Q 4

How is copper refined by electrolysis?

HARD
8th CBSE
IMPORTANT
EUREKA PLUS Revised Bringing Science to Life>Chapter 14 - Chemical Effects of Electric Current>EXERCISES>Q 5

Draw a labelled diagram of an electrolytic cell.