Boiling of water is a physical change, but the boiling of the egg is a chemical change. Why?

Observe the picture and list down the changes that are accompanied in the picture.

a) _____

b) _____

c) _____

Observe the picture containing a kettle and note that it has saltwater in it and answer the following questions:

a) What is the name of the process that is done to the kettle?

b) What will happen to the content of the kettle?

c) What kind of change is occurring on the cold surface of the metal plate?

d) What can you say about the quality of water that is obtained in the beaker?