it is a pure substance.... not
Methane is a pure substance.
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.
pure substance
CH3COOH is a pure substance. It is the chemical formula for acetic acid.
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.
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"
Because pumice is lighter than obsidian always. That means obsidian weighs more than pumice.
pure substance, propanone
Pure substance
it is a pure substance.... not
Methane is a pure substance.
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.
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.
pure substance
pure substance
Pure Substance