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 … [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