No, wine is not a 'pure' substance. White, rosé and red wines are produced by the fermentation of the several varieties of grapes. Therefore, due to additives and other processes, all wines are not a pure substance.
No, it is a mixture.
Cream
Not that i know of. The only wine i seen is liquid type. Or steam.
it is a mixture.
pure substance, propanone
it is a pure substance.... not
Pure substance
A pure substance is the same throughout. When a substance is 100% something it is pure.
Methane is a pure substance.
Helium is pure as it is on the periodic table.
silicon is a pure substance because it is an element and as we know an element is a pure substance
Silicon is an element. Its symbol is Si.
pure substance