Tamyajkf Tamyajkf

11-10-2020
Physics

contestada

Describe some tests that could be done to determine what an unknown substance is.

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dallas107 dallas107

11-10-2020

Answer:

by finding melting and boiling points

Explanation:

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finonamanuel2 finonamanuel2

11-10-2020

Answer:

Simple chemical tests can be used to identify the presence of various elements or classes of molecules (Tollen's test). ... Electron spin resonance (ESR): Also referred to as electron paramagnetic resonance (EPR), this method uses the spins of unpaired electrons in molecules to determine structure

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