Question

classify the following as physical or chemical change passing of electric current through water and water breaking into hydrogen and oxygen gases
​

Answer 1

Answer:Physical changes:

Those changes in which no new substances are formed are called physical changes. In a physical change the substances involved do not change their identity.

The physical changes are temporary changes which can be reversed easily to form the original substance.

Chemical changes:

Those changes in which new substances are formed are called chemical changes. In a chemical change the substances involved change their identity. The chemical changes are permanent changes which are usually Irreversible.

Solution:

CHEMICAL CHANGES:

• cutting of trees

,• rusting of almirah

• passing of electric current, through water and the water breaking down into hydrogen and oxygen gases

• burning of paper and wood.

PHYSICAL CHANGES:

• melting of butter in a pan

• boiling of water to form steam

• dissolving common salt in water

• making a fruit salad with raw fruits

==================================================================

Hope this will help you....

Explanation:

Answer 2

chemical change is answer