How do acids affect the electrical conductivity of a solution?

A. They decrease conductivity

B. They increase conductivity

C. They have no effect on conductivity

D. It depends on the concentration of the acid

Answer Explanation:

Acids increase the electrical conductivity of a solution. This is because acids ionize in water to produce hydrogen ions (\(H^+\)), which carry an electric charge.

Therefore, the Correct Answer is B.

Q #1: Which of the following is not a property of acids?

A. React with bases to form salts

B. Turn litmus paper blue

C. Have a sour taste

D. Conduct electricity in solution

Answer Explanation

Acids turn litmus paper red, not blue. This property distinguishes them from bases, which turn litmus paper blue.
Q #2: 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.
Q #3: 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.

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How do acids affect the electrical conductivity of a solution?

More Questions on TEAS 7 Science

Q #1: Which of the following is not a property of acids?

Answer Explanation

Q #2: How does the reaction of an acid with a base affect the pH of the resulting solution?

Answer Explanation

Q #3: What effect do acids have on indicators like litmus paper?

Answer Explanation

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