In an experiment, sugar cookies are ground up into small particles. One gram of the sugar cookie powder is added to each of 4 test tubes. 5 mL of distilled water are placed into each test tube, and each tube is shaken gently until a solution is created. A different indicator is used on each test tube to detect the presence of a particular nutrient. The test tubes are then heated gently. Which indicator would most likely yield a positive test, by way of a color change, in the water-cookie solution? of a color change, in the water-cookie solution? A) Biuret solution B) Sudan Red test C) Phenol Red test D) Benedicts solution

Question

Biology

Judah Johns

15 May, 11:58

In an experiment, sugar cookies are ground up into small particles. One gram of the sugar cookie powder is added to each of 4 test tubes. 5 mL of distilled water are placed into each test tube, and each tube is shaken gently until a solution is created. A different indicator is used on each test tube to detect the presence of a particular nutrient. The test tubes are then heated gently. Which indicator would most likely yield a positive test, by way of a color change, in the water-cookie solution? of a color change, in the water-cookie solution? A) Biuret solution B) Sudan Red test C) Phenol Red test D) Benedicts solution

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Russell Lane · Answer 1

D. Benedicts solution If a color change occurs in the presence Benedicts solution (with some warming), then sugar is present. Cookies contain large quantities of sugar.