Chemistry · Oct / Nov 2024 · Paper 12 · Question 5
Which statement about electrical conductivity is correct?
- ACovalent compounds, such as glucose, conduct when molten or dissolved in water.
- BDilute acids, such as sulfuric acid, conduct because all the ions are free to move.
- CIonic compounds, such as sodium chloride, conduct due to movement of electrons.
- DMetals, such as copper, conduct due to movement of positive ions.
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Correct answer: B. Dilute acids, such as sulfuric acid, conduct because all the ions are free to move.
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