No a mixture is by definition not a pure substance.
Neon is a pure substance. Elements and compounds are pure substances; mixtures are not.
No, it is a mixture of tons of different elements
Sulfur is an element. Elements are not mixtures.
Sulfur is an element. Elements are not mixtures.
pure substance?
Chromium (Cr, element #24) is a pure substance. Elements and compounds are pure substances.
no because it is a mixture and combine with other elements.
cake
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.
No, it is a mixture; rarely a drug is a pure substance.
Pure substance.
Yogurt is not a pure substance because its a mixture of different elements/molecules (Cow milk and sugar and more...) from the Periodic Table