sample of substance x\nchange 1\nchange 2\nchange 3\nchange 1 is:\nimpossible\na physical change\na chemical…

sample of substance x\nchange 1\nchange 2\nchange 3\nchange 1 is:\nimpossible\na physical change\na chemical change\nchange 2 is:\nimpossible\na physical change\na chemical change\nchange 3 is:\nimpossible\na physical change\na chemical change

sample of substance x\nchange 1\nchange 2\nchange 3\nchange 1 is:\nimpossible\na physical change\na chemical change\nchange 2 is:\nimpossible\na physical change\na chemical change\nchange 3 is:\nimpossible\na physical change\na chemical change

Answer

Explanation:

Step1: Analyze Change 1

The molecules remain the same, just re - arranged. This is a physical change as no new substances are formed.

Step2: Analyze Change 2

The molecules are only changing their arrangement and spacing. No chemical bonds are broken or formed, so it is a physical change.

Step3: Analyze Change 3

New molecules are formed as the atoms have re - combined. Chemical bonds have been broken and new ones formed, so it is a chemical change.

Answer:

Change 1 is: a physical change Change 2 is: a physical change Change 3 is: a chemical change