https://www.coursehero.com/file/6006873/Pre-Lab-3/

Frank Gervasi 9/27/10 Experiment 3 1. Concrete: heterogeneous mixture, Tomato juice: Pure substance, Marble: heterogeneous mixture, Seawater: ...

https://www.csudh.edu/Assets/csudh-sites/chemistry/docs/chem-108/classification-and-properties-of-matter.pdf

terms such as substance, compound, element, mixture, etc. Matter is also ... marble are not homogeneous and therefore not pure substances or compounds.

https://www.answers.com/Q/Is_marble_a_heterogeneous_or_homogeneous_mixture_or_pure_substance

It depends. You can have a gaseous mixture such as air, which would be a homogeneous mixture. But a single gas such as oxygen or methane would be a pure ...

https://www.siyavula.com/read/science/grade-10/classification-of-matter/02-classification-of-matter-03

Any material that is not a mixture, is called a pure substance. Pure substances include elements and compounds. It is much more difficult to break down pure ...

https://www.answers.com/Q/Is_a_marble_a_mixture_or_pure_substance

Just like granite, marble is a mixture. However, unlike granite, marble is typically more than 90% calcium carbonate, so it might count as a pure substance.

https://www.quora.com/Is-granite-homogeneous-or-heterogeneous

A heterogeneous mixture consists of visibly different substances or phases. ... ( picture included)? It doesn't have the same sound or feel as marble/granite. ... air - if it has no dust or smog, just pure gases...it is a solution. if it is ...

https://www.quora.com/Is-marble-a-compound

The small amount of various impurities in marble produce its very pretty appearance. So marble must also be recognised as a mixture.

https://www.thoughtco.com/mixture-definition-chemistry-glossary-606374

Jan 30, 2019 ... When you combine substances, you get a mixture (but only if they don't react). ... Marbles and salt may be combined to form a mixture. Smoke is ...

https://chem.umn.edu/separation-sand-iron-and-salt

The three components are shown in their pure states, then combined into the water to form a heterogeneous mixture. The salt dissolves, the other solids do not .

https://chemistry.tutorvista.com/inorganic-chemistry/types-of-mixtures.html

Mixtures are a combination of two or more pure substance in which each substance retains its own identity. The components of a mixture are physically mixed ...