How does the reaction of an acid with a base affect the pH of the resulting solution?

A. The pH increases

B. The pH decreases

C. The pH remains unchanged

D. It depends on the specific acid and base

Answer Explanation:

When an acid reacts with a base in a neutralization reaction, the pH of the resulting solution remains unchanged if the quantities of acid and base are stoichiometrically balanced. This is because the \(H^+\) ions from the acid react with the \(OH^-\) ions from the base to form water, effectively neutralizing each other.

Therefore, the Correct Answer is C.

Q #1: Which of the following properties is a characteristic of acids?

A. Bitter taste

B. Turn litmus paper blue

C. React with metals to release hydrogen gas

D. Do not Conduct electricity in solution

Answer Explanation

Acids react with certain metals to release hydrogen gas. This is a characteristic property of acids known as their reactivity with metals.
Q #2: What effect do acids have on indicators like litmus paper?

A. Turn it blue

B. Turn it red

C. Turn it green

D. No effect

Answer Explanation

Acids turn litmus paper red. Litmus is a common indicator that changes color in response to the acidity or basicity of a solution. In the presence of an acid, litmus paper turns red.
Q #3: Which of the following statements about strong acids is true?

A. They have a low dissociation constant (Ka)

B. They completely dissociate in solution

C. They are poor conductors of electricity

D. They have a pH greater than 7

Answer Explanation

Strong acids completely dissociate into ions when dissolved in water, resulting in a high concentration of \(H^+\) ions in solution. This complete ionization distinguishes them from weak acids.

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How does the reaction of an acid with a base affect the pH of the resulting solution?

More Questions on TEAS 7 Science

Q #1: Which of the following properties is a characteristic of acids?

Answer Explanation

Q #2: What effect do acids have on indicators like litmus paper?

Answer Explanation

Q #3: Which of the following statements about strong acids is true?

Answer Explanation

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