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madam [21]
3 years ago
10

Is argon gas a pure substance or a mixture. Is iron oxide dust a pure substance or a mixture.

Chemistry
1 answer:
stepladder [879]3 years ago
7 0

Answer:

See below.

Explanation:

Argon gas is a pure substance. It has nothing other than molecules of Argon gas.

Iron oxide is a compound with iron and oxygen as its components. It is a pure substance.

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