Which one of the following are pure substances : water,salt water,copper,brass,air,oxygen

asked Feb 21, 2022 224k views

18 votes

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9 votes

Answer: copper

Explanation: because all of the atoms that make up copper are copper i.e its not a compound or mixture. not made od molecules

Rootx answered Feb 22, 2022

by Rootx

5.7k points

7 votes

Answer:

Copper, Water, and Oxygen

Step-by-step explanation:

Because they are compounds and compounds are pure substances <3

Daniel Qiu answered Feb 24, 2022

5.3k points

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