Which of these is a pure substance? grape juice, salt water, table salt or gasoline?

Answer 1

Salt water = A heterogenous mixture of salt (NaCl) and water (H20).

Gasoline = Gasoline or petrol is a petroleum-derived liquid mixture consisting mostly of hydrocarbons and enhanced with benzene or iso-octane to increase octane ratings, primarily used as fuel in internal combustion engines

Table Salt = would be considered a pure substance.

Grape juice = is mixture

-Don