Elements, Compounds, and Mixtures Answers

A number of substances and their chemical formulas are listed below. Check the ones that are compounds.

Brass is a combination of a number of elements. Its exact composition can vary.

To separate a mixture of large gravel and sand, the most efficient method would be X adding water to the mixturepassing a magnet through the mixture✔ passing the mixture through a sieve.

Coffee is a solution of organic substances in water.

Caffeine contains hydrogen, carbon, nitrogen, and oxygen atoms in a fixed ratio.

Soda is a mixture. The ingredients list for a can of soda is given below. Carbonated water (water, carbon dioxide), high fructose corn syrup, sucrose, caramel color, phosphoric acid, natural flavors, caffeine. The ingredients of the soda are best described as X mixtures✔ compoundselements.

To separate a mixture of hard candies and marbles, the most efficient method would be X passing the mixture through a filter✔ sorting the mixture by handadding water to the mixture.

Sports drinks contain sugar, salt, and flavorings dissolved in water. They can be made more or less sweet by adding different amounts of sugar.

Which statement best describes the relationship between the ingredients?

To separate a mixture of iron filings and salt, the most efficient method would be ✔ passing a magnet through the mixturesorting the mixture by handX distilling the mixture.

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