Soda v.s. Powder - Marvel EDU

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Practice Reading: Multiple Choice, Single Answer ID: #37493 Soda v.s. Powder

Instructions ›

Read the text and answer the multiple-choice question by selecting the correct response. Only one response is correct.

Baking soda is made from one ingredient – sodium bicarbonate. Sodium bicarbonate is a base (alkaline) that's activated when it comes in contact with an acid, such as buttermilk, yogurt, brown sugar or vinegar. When baking soda activates, it immediately releases carbon dioxide bubbles that help your baked goods rise and become light and fluffy. On the other hand, baking powder is a combination of baking soda (sodium bicarbonate) and two acids, often monocalcium phosphate and sodium aluminum sulfate. These two additional ingredients work to extend the leavening process. The monocalcium phosphate reacts to the sodium bicarbonate first, when the baking powder is stirred into a wet batter or dough; then the sodium aluminum sulfate reacts to the sodium bicarbonate when it's both moist and hot.

According to the passage, which of the following statement is NOT true?

* Click on the correct answer

Unlike baking soda which extends the leavening process, baking powder can accelerate the process. Baking powder is different from baking soda in that the former combines the latter with two acids. Upon contacting with yogurt, baking soda immediately releases carbon dioxide bubbles, causing the baked goods to change. Temperature and moisture are necessary for the sodium aluminum sulfate to react with the sodium bicarbonate.

Result:

AI explanationShows the answer. Tap to open.

Option 1: "Unlike baking soda which extends the leavening process, baking powder can accelerate the process."

Explanation: This statement is correct because the text indicates that baking soda does not extend the leavening process, while baking powder, which contains additional acids, does extend it. The phrase 'extends the leavening process' is directly supported by the text, which describes how baking powder works with its components to prolong the leavening effect.

Option 2: "Baking powder is different from baking soda in that the former combines the latter with two acids."

Explanation: This statement is true according to the text, which states that baking powder is a combination of baking soda and two acids. Therefore, it does not fit the question asking for a statement that is NOT true.

Option 3: "Upon contacting with yogurt, baking soda immediately releases carbon dioxide bubbles, causing the baked goods to change."

Explanation: This statement is also true as per the text, which mentions that baking soda activates upon contact with an acid like yogurt, releasing carbon dioxide bubbles. Thus, it accurately reflects the information in the passage and is not the correct answer.

Option 4: "Temperature and moisture are necessary for the sodium aluminum sulfate to react with the sodium bicarbonate."

Explanation: This statement is true according to the text, which specifies that sodium aluminum sulfate reacts with sodium bicarbonate when it is both moist and hot. Therefore, it is not the correct answer as it aligns with the information provided in the passage.

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