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State whether each substance below is an element, a compound, or a mixture.

1. Carbon dioxide
2. Oxygen
3. Nitric acid
4. Air
5. Nitrogen
6. Hydrochloric acid


Sagot :

Final answer:

Identifying substances as elements, compounds, or mixtures.


Explanation:

Carbon dioxide: Compound

Oxygen: Element

Nitiric acid: Compound

Air: Homogeneous mixture (primarily nitrogen and oxygen)

Nitrogen: Element

Hydrochloric acid: Compound


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