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shanicar33500
shanicar33500
22.09.2021 • 
Chemistry

Four preparations involving table sugar (sucrose) are described below. Analyze the sugar preparation processes and the end products. Sugar Water Sugar Floss Sugar Caramel Rock Sugar

Sugar is added to water, and the water is stirred until the sugar is no longer visible. Sugar is melted and blown with a fan to make thin threads of solid sugar. Pure sugar is melted and cooked until it changes color and becomes a thick, sticky liquid. A highly concentrated solution of sugar water is prepared, large sugar crystals are allowed to form slowly, and then dye is added.

Which of the following is evidence that a chemical reaction has taken place in one of the processes?
A.
the slow growth of giant sugar crystals from a highly concentrated sugar-water solution and added dye
B.
the color change that takes place after heat melts and begins to decompose the sugar
C.
the melting and re-solidification of sugar into threads, which are different from sugar’s natural cube-shaped crystals
D.
the dissolution of solid sugar in water to form a thin, colorless, odorless liquid

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