How do bases affect the solubility of certain substances, such as fats and oils?

A. Bases decrease the solubility

B. Bases increase the solubility

C. Bases have no effect on solubility

D. It depends on the specific substance

Answer Explanation:

Bases increase the solubility of certain substances like fats and oils. This property is utilized in the process of saponification, where bases (such as sodium hydroxide) react with fats to produce soap and glycerol.

Therefore, the Correct Answer is B.

Q #1: 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.
Q #2: Which of the following statements about the pH of bases is correct?

A. Bases have a pH greater than 7

B. Bases have a pH equal to 7

C. Bases have a pH less than 7

D. Bases have a pH of 7 and can vary based on concentration

Answer Explanation

Bases have a pH greater than 7 on the pH scale, indicating their alkaline nature. The pH of a base solution increases as the concentration of hydroxide ions (\(OH^-\)) increases.
Q #3: Which of the following properties is a characteristic of bases?

A. React with metals to release hydrogen gas

B. Turn litmus paper red

C. Have a sour taste

D. Conduct electricity in solution

Answer Explanation

Bases do not react with metals to release hydrogen gas. This property distinguishes them from acids, which do react with metals to produce hydrogen gas.

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How do bases affect the solubility of certain substances, such as fats and oils?

More Questions on TEAS 7 Science

Q #1: Which of the following statements about the taste of bases is true?

Answer Explanation

Q #2: Which of the following statements about the pH of bases is correct?

Answer Explanation

Q #3: Which of the following properties is a characteristic of bases?

Answer Explanation

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