<span>the behavior of the above pair of substances</span> is soluble
Answer:
Measuring its density and comparing your result to a list of known densities, or other properties that give you useful info
Explanation:
You can use observations about substances to form a hypothesis about the substance by comparing it to others. Ex: if something is magnetic it must be made of one or more of the elements iron, cobalt, or nickel.
Thank you for the free 15 points .
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A chemical reaction is the process by which a CHANGE takes place (?)
