A chemist performs the same tests on two white solids, A and B. The results are shown in the table below.

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Which result identifies the substances, A and B, correctly?

A Chemist Performs The Same Tests On Two White Solids, A And B. The Results Are Shown In The Table Below.imageWhich

Answers

Answer 1
I’m pretty sure it’s A well I think sorry if its not but I hope it helps
Answer 2

The melting point of a substance is characteristics to it. Hence, we can identify a compound by calculating its melting point. If the solids are pure they will give their characteristic actual melting point.

What is melting point?

Melting point of a substance is the temperature at which it converts from solid state to liquid state where, the two phases are in equilibrium. Melting point is dependent  upon the intermolecular forces, molar mass, temperature and presence of impurities.

Melting point of a pure substance is a characteristic feature for it. Hence, we can qualitatively test a compound using its melting point and using standard dats of melting points we can identify the substance.

Conductivity, solubility etc. are not characteristic for a substance and can be similar to other solids. Therefore, option A melting point tests helps to identify A and B.

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