A. A substance that donates protons
B. A substance that accepts protons
C. A substance with a pH less than 7
D. A substance with a bitter taste
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Acids are substances that can donate protons (\(H^+\)) to other substances. This is also known as the Arrhenius definition of acids. Examples of acids include hydrochloric acid (\(HCl\)) and sulfuric acid (\(H_2SO_4\)). When dissolved in water, acids increase the concentration of \(H^+\) ions.Acids are substances that can donate protons (\(H^+\)) to other substances. This is also known as the Arrhenius definition of acids. Examples of acids include hydrochloric acid (\(HCl\)) and sulfuric acid (\(H_2SO_4\)). When dissolved in water, acids increase the concentration of \(H^+\) ions.
Therefore, the Correct Answer is A.
What property of acids gives them their sour taste?
A. Effect on indicators
B. Reaction with metals
C. Reaction with bases
D. Sour taste
The Correct Answer is D.Acids have a sour taste, which is one of their characteristic properties. This taste is primarily due to the presence of \(H^+\) ions. However, it's essential to note that tasting chemicals is not safe and should never be done, as many acids are corrosive and can cause harm.
What is the definition of an acid?
A. A substance that donates protons
B. A substance that accepts protons
C. A substance with a pH less than 7
D. A substance with a bitter taste
The Correct Answer is A.Acids are substances that can donate protons (\(H^+\)) to other substances. This is also known as the Arrhenius definition of acids. Examples of acids include hydrochloric acid (\(HCl\)) and sulfuric acid (\(H_2SO_4\)). When dissolved in water, acids increase the concentration of \(H^+\) ions.Acids are substances that can donate protons (\(H^+\)) to other substances. This is also known as the Arrhenius definition of acids. Examples of acids include hydrochloric acid (\(HCl\)) and sulfuric acid (\(H_2SO_4\)). When dissolved in water, acids increase the concentration of \(H^+\) ions.
How do bases affect indicators like litmus paper?
A. Turn it blue
B. Turn it red
C. Turn it green
D. No effect
The Correct Answer is A.Bases turn litmus paper blue. Litmus is a natural dye that changes color depending on the acidity or basicity of the solution it is in. In the presence of a base, litmus paper turns blue, indicating a basic solution.