Which of these is a mixture?Question response areaSelect one optionairgoldwateroxygen

To identify which option is a mixture among air, gold, water, and oxygen, let’s analyze each one:

1. Air: This is a mixture of various gases, mainly nitrogen and oxygen, with small amounts of other gases like carbon dioxide and argon. Hence, air is a mixture.

2. Gold: Gold in its pure form is an element and does not consist of different substances mixed together. Thus, it is not a mixture.

3. Water: Water (H₂O) is a compound made of hydrogen and oxygen atoms. It is not a mixture, as it has a definite chemical composition.

4. Oxygen: Oxygen as an element (O₂) is a pure substance and does not consist of different components. Therefore, it is also not a mixture.

Final Answer

Air is the only mixture among the options provided.