Question

What are
physical and chemical changes? Give two examples of each.​

Answer 1

When no new product is formed it is said to be physical change example melting of ice and when a new product is formed it is said to be chemical change example burning of wood.

Answer 2

$\large{\sf{\red{\underline{\underline{Hello \:GM}}}}}$

Properties such as shape, size, colour and state of a substance are called it's physical properties. A change in which a substance undergoes a change a physical properties is called a physical change. A physical change is generally reversible. In a such change no new substance is formed..