Question

Answer Questions
swer the following questions.
What is a physical change? Give two examples.
Why is cooking of food called a chemical change
What are chemical changes? Give examples from
Is it correct to say that all physical changes are revercersible
Two examples.
Why are small gaps left between the railway tracks​

Answer 1

Explanation:

physical change is the process in which no new properties takes place. It is also known as irreversible change for example, burning of paper, burning of wood.