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Unknown Chemicals Practical Report

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The practical aims to identify 2 or 3 unknown chemicals that are randomly distributed from a possible list of eleven (see below). Prior to the practical, research was done, designing a process of elimination based on the specific properties of each of the chemicals.

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Unknown Chemicals Practical Report
Topics this document covers:
Chemistry Matter Chemical elements Reducing agents Chemical compounds Household chemicals Desiccants Solubility Solution Sodium bicarbonate Base Chemical substance
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Topics this document covers:
Chemistry Matter Chemical elements Reducing agents Chemical compounds Household chemicals Desiccants Solubility Solution Sodium bicarbonate Base Chemical substance
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Prior to the practical, research was done, designing a process of elimination based on the specific properties of each of the chemicals. These somewhat ‘unique’ properties allow us to differentiate the chemicals from one another. The chemicals were either solids or liquids. A range of tests such as density, acidity (pH), solubility (water), melting point, physical appearance and flame tests were all applied to obtain the results. Through this report the background information of the tests as well as the reliability and accuracy of each test will be discussed. Possible Chemicals Liquids ❖ Ethanol1 ❖ Propionic acid2 ❖ Ethyl acetate3 ❖ Sodium hydroxide4 Solids ❖ Sodium chloride5 ❖ Alum (Potassium aluminium sulfate)6 ❖ Alumin...
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