Question

Air, copper, silver, sugar solution, mud, sodium chloride, carbon dioxide, water, nitrogen, iron, oxygen, ink, blood, gold, zinc are pure substances or mixture

Answer 1

Answer:

Pure substances :

Copper, silver, nitrogen, iron,

oxygen, gold, and zinc are

pure substances.

Mixtures :

Air, sugar solution, mud,

sodium chloride, water, ink, blood, are mixtures.