The only pure substance listed below is(1 point) Responses bread dough. bread dough. vitamin C (ascorbic acid). vitamin C (ascorbic acid). seawater. seawater. vinegar (5% acetic acid)

Answer 1

The only pure substance listed is vitamin C (ascorbic acid).

The other options are mixtures: bread dough is a mixture of various ingredients, seawater is a mixture of water and various dissolved salts, and vinegar (5% acetic acid) is a solution that contains acetic acid and water.