Pure Substances VS Mixtures

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laundry detergent (contains white and blue crystals)

mixture, heterogenous

sugar+pure water (C12H22O11+H2O)

mixture, homogenous

iron fillings (Fe)

pure substance, element

limestone (CaCO3)

pure substance, compound

orange juice (water and pulp)

mixture, heterogenous

pacific ocean (water and salt)

mixture, homogeneous

air

mixture, homogeneous

aluminum (Al)

pure substance, element

magnesium (Mg)

pure substance, element

acetylene (C2H2)

pure substance, compound

tap water in glass

mixture, homogenous

pure water (H2O)

pure substance, compound

soil

mixture, heterogeneous

chromium (Cr)

pure substance, element

baking soda (NaHCO3)

pure substance, compound

salt+pure water (NaCl+H2O)

mixture, homogeneous

benzene (C6H6)

pure substance, compound

muddy water

mixture, heterogeneous

brass (Cu mixed with Zn)

mixture, homogenous

Pizza

mixture, heterogeneous

element

A pure substance made of only one kind of atom

Compound

A substance made up of atoms of two or more different elements joined by chemical bonds

pure substance

A sample of matter, either a single element or a single compound, that has definite chemical and physical properties

Mixtures

a substance that has a variable composition

homogeneous mixture

A mixture in which substances are evenly distributed throughout the mixture

heterogeneous mixture

A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture