Answer :
The best and most correct answer among the choices provided by your question is the third choice or letter C.
An acid is any substance containing a hydrogen molecule.
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An acid is any substance containing a hydrogen molecule.
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
Answer: Option (d) is the correct answer.
Explanation:
According to Bronsted-Lowry, acids are the species that can donate a proton whereas bases are the species that can accept a proton.
For example, [tex]NH_{3} + HCl \rightarrow NH^{+}_{4} + Cl^{-}[/tex]
Here, HCl is the acid as it is donating a proton to ammonia.
Arrhenius also stated that acids are the substances that dissociate to give hydrogen ions or protons.
Thus, we can conclude that out of the given options an acid is a proton donor.