Multiple choice

Which state of NaCl conducts electricity?

  1. Solid

  2. Aqueous solution

  3. 1 and 2 both

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

NaCl is an ionic compound. In solid form, its ions are fixed in a lattice and cannot move. When dissolved in water (aqueous solution), the ions dissociate and become mobile, allowing the solution to conduct electricity.

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