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Which of the following statements about the taste of bases is true?

A. Bases have a sweet taste

B. Bases have a bitter taste

C. Bases have a sour taste

D. Bases have no taste

Answer Explanation:

Bases have a bitter taste. However, tasting chemicals is not safe and should never be done.

Therefore, the Correct Answer is B.

Q #1: Which of the following is a characteristic property of bases?

A. Sour taste

B. Reaction with metals to release water

C. Turn phenolphthalein pink

D. Donate protons

Answer Explanation

One of the characteristic properties of bases is their ability to react with certain metals to release hydrogen gas. This reaction is not as common or vigorous as the reaction of acids with metals but is still a defining property of bases. An example of this reaction is the reaction between sodium hydroxide (\(NaOH\)) and aluminum (\(Al\)), which produces hydrogen gas (\(H_2\)).
Q #2: What is the effect of bases on the pH of a solution?

A. Bases increase the pH

B. Bases decrease the pH

C. Bases have no effect on the pH

D. It depends on the concentration of the base

Answer Explanation

Bases increase the pH of a solution. As bases ionize in water, they release hydroxide ions (\(OH^-\)), which react with \(H^+\) ions from water, thereby decreasing the concentration of \(H^+\) ions and increasing the pH.
Q #3: Which of the following statements about the taste of bases is true?

A. Bases have a sweet taste

B. Bases have a bitter taste

C. Bases have a sour taste

D. Bases have no taste

Answer Explanation

Bases have a bitter taste. However, tasting chemicals is not safe and should never be done.

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