Ecstasy, LSD, heroin, cocaine, crack, magic mushrooms, amphetamines (if prepared for injection).
it is a pure substance.... not
Methane is a pure substance.
pure substance
CH3COOH is a pure substance. It is the chemical formula for acetic acid.
Refined substance can be a pure substance depending on the type of sugar used. If the refined sugar is white, then it is a pure substance. If it the refined sugar is brown, then it is not a pure substance.
A pure substance is a substance with a very low concentration of impurities: reagents for analysis, ultra pure reagents, nuclear grade materials, electronic grade materials, certified reference materials and many others. For any class of purity exist detailed and clear standards and recommendations to avoid confusions.
Ice water is a compound.
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.