Respuesta :
Pure substances are made of almost the same materials and have the same properties such as: Water, Sugar, Salt, Nitrogen Gas, Iorn, Carbon and Oxygen Gas.
the one that is a pure substance is : Pure Gold
The other substance couldn't be categorized as 'pure substance' because they don't have definite and constant composition
hope this helps
The other substance couldn't be categorized as 'pure substance' because they don't have definite and constant composition
hope this helps
