Question: You are provided with an unknown solid and you inspect its physical properties to find that it has a melting point of 1 1 2

You are provided with an unknown solid and you inspect its physical properties to find that it has a melting point of 1127\deg C, soluble in water, does not conduct heat or electricity as a solid, and is very hard. Given these properties,
which of the following A. B. C. D. E. F.
choices matches the physical properties of the unknown substance? CoF2
CO2
Li
C(s,diamond) SiO2
CHCl3

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