Question 1 What is a physical change? Question 2 Give few examples of physical changes from everyday life? Question 3 Explain why melting of ice to form water is said to be physical change? Question 4 What are the characteristics of physical changes? Question 5 Explain why boiling of water is said to be physical change? All substances have certain properties such as … [Read more...] about Physical Changes
physical change
Physical and chemical change
Question 1 What is a physical change.Give example? Question 2 What is a chemical change.Give example ? Question 3 Give the main differences between physical and chemical change? Physical and Chemical changes Physical changes The changes in which no new substance are formed,are called physical changes. In a physical change,the substances involved do not change … [Read more...] about Physical and chemical change