New Hampshire Barber Practice Exam

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Prepare for the New Hampshire Barber Exam. This quiz offers a variety of questions and hints to help you understand key concepts and terminology you'll encounter on the test. Get ready to achieve your barbering certification!

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Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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Ammonia is a colorless gas composed of which two elements?

  1. Oxygen and Carbon

  2. Hydrogen and Nitrogen

  3. Carbon and Nitrogen

  4. Hydrogen and Oxygen

The correct answer is: Hydrogen and Nitrogen

Ammonia is composed of two elements hydrogen and nitrogen. Oxygen and carbon are not part of the chemical formula and are incorrect choices. Carbon and nitrogen are part of the chemical formula for cyanide, not ammonia. Hydrogen and oxygen make up the compound water, not ammonia. Therefore, the correct answer is B.

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