Question

Physical change occur when oxygen is used it up in burning stick

Answer 1

Answer:

The above statement is false.

Explanation:

it is a chemical change since this is irreversible phenomenon. and energy changes are involved too.

Answer 2

The given statement is false - Physical change occurs when oxygen is used in burning sticks.

Explanation:

• The burning of sticks is a chemical process.
• A chemical process is a process in which two or more reactants are involved to create a product.
• Here, both the oxygen and sticks are reactants and they react (burn) to form ash and smoke, as products.
• Also, this is an irreversible chemical reaction, where the ash cannot be formed into a stick again.