Chemistry · Oct / Nov 2022 · Paper 12 · Question 7

The table contains information about four substances. Which substance is an ionic compound?

Aliquid; does not conduct electricity at room temperature; does not conduct electricity when molten; conducts electricity when in aqueous solution
Bsolid; conducts electricity at room temperature; conducts electricity when molten; conducts electricity when in aqueous solution
Csolid; conducts electricity at room temperature; conducts electricity when molten; insoluble
Dsolid; does not conduct electricity at room temperature; conducts electricity when molten; conducts electricity when in aqueous solution

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Correct answer: D. solid; does not conduct electricity at room temperature; conducts electricity when molten; conducts electricity when in aqueous solution

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