Dental Admissions Test (DAT) Practice Test

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Prepare for the Dental Admissions Test with our comprehensive quiz! Enhance your knowledge with multiple choice questions designed to simulate the actual DAT experience, complete with hints and detailed explanations. Ace your dental school application!

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Which of the following is a strong electrolyte?

  1. Acetic acid (CH3COOH)

  2. Table sugar (sucrose)

  3. Sodium chloride (NaCl)

  4. Carbon dioxide (CO2)

The correct answer is: Sodium chloride (NaCl)

A strong electrolyte is a substance that dissociates completely into ions when dissolved in water. This means that it conducts electricity well, making it a strong conductor. In this question, acetic acid and table sugar are weak electrolytes as they partially dissociate in water. On the other hand, carbon dioxide is a non-electrolyte as it does not dissociate into ions at all. Only sodium chloride, commonly known as table salt, is a strong electrolyte. So, it is the best option among the given choices.

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