Purchase Solution

General Science-Inquiry and Problem Solving

Not what you're looking for?

Ask Custom Question

You have been handed an unknown, pure chemical substance. Explain how you would identify it.

Purchase this Solution

Solution Summary

This solution explains ways to identify unknown chemical substances.

Solution Preview

What could we do? We could start by temperature the melting and boiling temperatures. This is a basic piece of information which is always used to categorize chemical substances. Does it melt easily and quickly or does it take forever and require lots and lots of heat before it melts. Likewise, are we even able to get it to boil? Perhaps it's melting and boiling temperatures are so high that we can't even determine it in an ordinary lab. These will all be useful pieces of information.

What else can we do? We can determine the hardness of the substance. There has been an entire scale of hardness developed. You determine this by comparing the substance to different types of rocks that have been standardized for this type of test. Whether the rock or the unknown substance scratches determines the hardness level ...

Purchase this Solution

Free BrainMass Quizzes
Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.


The quiz helps in revising basic concepts about thermochemistry.