A class is conducting an experiment to determine which solids dissolve in water. They are testing salt, baking soda, cinnamon, and sugar. How will the students determine if each solid dissolves? A. The solid will remain at the bottom of the container. B. The water will bubble. C. The water will turn cloudy. D. The solid will appear to vanish.
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The correct Answer is option D.
If each solid dissolves in water is to observe whether the solid appears to vanish when it's mixed with water. If the solid dissolves, it will spread out and become part of the solution, making it hard or impossible to see. Therefore, D. The solid will appear to vanish is the correct choice for indicating that a solid has dissolved.