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Ira is working in a lab with unknown solution.when he inserts the electrical conductivity tester in the unknown,the bulb begins to glow brightly. Which of these would best describe the unkown liquid?

Answer :

Electrical conductivity tester.

If the bulb begins to glow brightly when the plug is submerged in the unknown solution then the solution has high conductivity. 

The bright glow of the bulb resulting from the experiment indicates that the current flows easily through the unknown liquid.

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