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Which consequence results when sodium chloride is heated?

A)Ionic conductivity increases substantially
B)Covalent bonds replace ionic bonds
C)Crystal lattice structure becomes amorphous
D)Sublimation occurs without melting

💡 Explanation

Ionic conductivity rises at high temperatures because increased thermal energy reduces activation energy promoting *ion mobility* therefore more ions carry the current rather than causing structural changes, which require significantly higher energy inputs.

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