R P Rana Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Exercise
R P Rana Science Solutions for Exercise - R P Rana 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. Its All About Science - Chemistry solutions are prepared by Experienced Embibe Experts.
Questions from R P Rana Solutions for Chapter: Physical and Chemical Changes, Exercise 1: Exercise with Hints & Solutions
A physical change involves
Classify the following into physical and chemical change.
Burning of paper, photosynthesis, breaking a glass tumbler, sublimation of camphor, curdling of milk, digestion, cooking of food, conversion of liquid water into water vapours, rotting of eggs, ripening of fruit, decaying of leaf
What is a physical change? Explain it with two examples.
Define sublimation. How is the sublimation of camphor a physical change?
What is a chemical reaction? Give an example of a chemical reaction.
Explain how the total mass of substances remain unchanged during a chemical change.
Write any three characteristics of physical and chemical changes.
Differentiate between a physical and chemical change.
