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Which of the following solids has the highest electrical conductivity?A.CopperB.Sodium chlorideC.QuartzD.SugarSUBMITarrow_backPREVIOUS

Question

Which of the following solids has the highest electrical conductivity?

  • A. Copper
  • B. Sodium chloride
  • C. Quartz
  • D. Sugar

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Solution

The solid with the highest electrical conductivity among the given options is A. Copper.

Explanation:

  1. Copper is a metal and has high electrical conductivity due to the presence of free-moving electrons.
  2. Sodium chloride (table salt) is an ionic compound and conducts electricity when dissolved in water or molten but not in solid form.
  3. Quartz (silicon dioxide) is a covalent compound and generally acts as an insulator.
  4. Sugar is an organic compound and does not conduct electricity in its solid form.

Thus, copper is the best conductor of electricity among the options.

This problem has been solved

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