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Obsidian is not considered a pure substance; rather, it is a naturally occurring volcanic glass that consists primarily of silica (SiO2) along with various trace elements and minerals. While it has a relatively uniform composition, the presence of these impurities and variations in its formation process means it does not meet the strict definition of a pure substance, which is typically a material with a consistent and uniform composition throughout.
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Is Methane a mixture or a pure substance?
Methane is a pure substance.
Is a lemon a pure substance?
it is a pure substance.... not
Is obsidian chemichal or organic?
Obsidian is a natural volcanic glass, classified as a mineral rather than an organic substance. It forms when lava cools rapidly, preventing the crystallization of minerals. Therefore, obsidian is considered a chemical substance due to its inorganic composition.
Is wool a mixture or a pure substance?
pure substance
Is CH3COOH a mixture or pure substance?
CH3COOH is a pure substance. It is the chemical formula for acetic acid.
Is a piece of carpet a pure substance?
No, a piece of carpet is not a pure substance. It is typically composed of a variety of different materials such as fibers, backing, and possibly dyes.
Is a piece of pure gold pure substance?
Well any pure *insert element* is a pure substance. If it contains 100% of a substance, it is pure. If you're talking about a gold bar, pretty much no gold exists on Earth that doesn't contain some "contaminant"
Why is a piece of pumice lighter than a piece of obsidian equal size?
Because pumice is lighter than obsidian always. That means obsidian weighs more than pumice.
Is acetone a pure substance or mixture?
pure substance, propanone
Is Methane a mixture or a pure substance?
Methane is a pure substance.
Is a lemon a pure substance?
it is a pure substance.... not
Is a tin a pure substance?
Pure substance
Is obsidian chemichal or organic?
Obsidian is a natural volcanic glass, classified as a mineral rather than an organic substance. It forms when lava cools rapidly, preventing the crystallization of minerals. Therefore, obsidian is considered a chemical substance due to its inorganic composition.
Is jewelry a pure substance?
It all depends on what kind of jewelry yourtalking about. If your piece is made up of only one solid piece of only one substance, element, or mineral. then yes because there is no other substance that makes it impure.If you take a common element like gold and form it into a bracelet than you have a pure piece of jewelry because it does not contain olivine or magnetite or any other mineral, rock or element.
Is an element a pure substance or a mixture?
pure substance
Is wool a mixture or a pure substance?
pure substance
Is water mixture or pure substance?
Pure Substance
