Wyoming State Board Barber Practice Exam

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Question: 1 / 50

Ammonia is a colorless gas composed of which two elements?

Oxygen and Carbon

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.

Carbon and Nitrogen

Hydrogen and Oxygen

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