객관식
Which of the following cells in the human body are responsible for producing hydrochloric acid (HCl)?
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3. Chemical Reactions
Naming Acids
Multiple Choice
Which of the following substances is a binary acid?
A
HCl
B
HNO_3
C
H_2SO_4
D
H_3PO_4
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검증된 단계별 안내1
Understand what a binary acid is: a binary acid consists of hydrogen and one other nonmetal element only.
Examine each given substance to identify its composition:
HCl contains hydrogen and chlorine (one nonmetal element) — this fits the definition of a binary acid.
HNO_3, H_2SO_4, and H_3PO_4 all contain hydrogen, oxygen, and another element, making them oxyacids rather than binary acids.
Therefore, by comparing the compositions, HCl is the only binary acid among the options.
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