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The way you phrase that is a little dubious because no mixture is a 'pure substance'. However, compounds like iron sulphide that are actually bonded together areconsidered pure substances. The elements of a mixture are not united by a chemical change and can (in theory) be separated.
What else can I help you with?
Is iron a mixture or a pure substance?
Iron is an element, so it is a pure substance.
Is iron a mixture or solution?
Iron sulfide is a pure compound. It can be as in aqueous medium too as a solution.
Is gold ore a pure substance?
Gold ore is not considered a pure substance because it is a mixture of various minerals and impurities along with gold. It typically contains other elements like quartz, iron, and sulfur in addition to gold.
Is coal a pure substance?
No coal is a mixture of carbon and organic compounds.
Is iron a mixture or element?
Iron is an element. It is a pure substance that consists of only one type of atom, specifically iron atoms.
Is sulfur a heterogeneous or homogeneous mixture?
Sulfur is not a mixture at all. It is a pure substance. Specifically it is an element.
Is sulfur dioxide a mixture?
No. Sulfur dioxide is a compound, which makes it a pure substance, not a mixture.
Is iron fillings a pure substance or a mixture?
Mixture
Is iron filling a pure substance or a mixture?
Mixture
Is iron is a pure substance or mixture?
Iron is a pure substance. It's an element (Fe) and a bar of Iron is no mixture. If it was pure iron, then by definition it would be pure. However iron is rarely pure, it is usually in alloy with something.
Is sulphur a pure substance or a mixture?
Sulfur is an element. Elements are not mixtures.
Is sulphur a mixture or a pure substance?
Sulfur is an element. Elements are not mixtures.
Is sulfar a mechanical mixture?
No. Sulphur or if you must Sulfur is an element. It is not a mixture of any kind.
Is iron a mixture or a pure substance?
Iron is an element, so it is a pure substance.
Is iron a mixture or solution?
Iron sulfide is a pure compound. It can be as in aqueous medium too as a solution.
Is crude oil a pure substance or mixture?
Crude oil is a complex mixture of hydrocarbons, as well as small amounts of sulfur, nitrogen, and other elements. Therefore, it is considered a mixture rather than a pure substance.
How are a mixture and a pure substance alike?
They are not alike in any way, Because of the carbonic sulfur.
