Sodium bicarbonate is a pure substance. It is a compound composed of sodium, hydrogen, carbon, and oxygen elements in fixed ratios, making it a pure chemical substance.
No, jelly beans are not a pure substance. They are a mixture of sugar, flavoring, and other ingredients.
Carbonic acid is not considered a pure substance because it is a weak acid that can dissociate into carbon dioxide and water. As such, it is a solution rather than a pure substance.
Copper wire is a pure substance, as it is made entirely of copper atoms.
pure substance
The opposite of a pure substance is a mixture.
Matter is a pure substance if it can only be separated by chemical means, NOT physical means. This could be a compound or an element. The opposite is a mixture which can be separated/broken into smaller parts by physical means.
pure substance, propanone
Pure substance
it is a pure substance.... not
Methane is a pure substance.
pure substance
Pure Substance
pure substance
A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.
Neon is a pure substance. Elements and compounds are pure substances; mixtures are not.
CH3COOH is a pure substance. It is the chemical formula for acetic acid.