Lakhmir Singh and Manjit Kaur Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Think & Answer

Author:Lakhmir Singh & Manjit Kaur

Lakhmir Singh Chemistry Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Think & Answer

Attempt the free practice questions on Chapter 2: Physical and Chemical Changes, Exercise 2: Think & Answer with hints and solutions to strengthen your understanding. Lakhmir Singh's Science Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Think & Answer with Hints & Solutions

HARD
7th ICSE
IMPORTANT
Lakhmir Singh's Science Chemistry>Chapter 2 - Physical and Chemical Changes>Think & Answer>Q (a)

When electricity is passed through water, then two gases, hydrogen and oxygen are produced. On the other hand, when heat is supplied to water, then another gas, steam, is produced. What type of change takes place.
(a) in the first case?
(b) in the second case?