Namrata and S P Singh Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Exercise
Namrata Chemistry Solutions for Exercise - Namrata and S P Singh Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Exercise
Attempt the practice questions on Chapter 2: Physical and Chemical Changes, Exercise 1: Exercise with hints and solutions to strengthen your understanding. Concise Chemistry Middle School for Class 8 solutions are prepared by Experienced Embibe Experts.
Questions from Namrata and S P Singh Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Exercise with Hints & Solutions
A change which alters the composition of a substance is known as a _____ change. (physical/ chemical)
There is no change in the _____ of the substance during a physical change. (composition/ state)
The reaction in which energy is evolved is called _____. (exothermic reaction/ endothermic reaction)
Give reason:
Freezing of water to ice and evaporation of water are physical changes.
Give reason:
Burning of a candle is both a physical and a chemical change.
Give reason:
Burning of paper is a chemical change.
Give reason:
Cutting of a cloth piece is a physical change, though it cannot be reversed.
Give four differences between physical and chemical changes.
