The bubbles will form fastest in cup Z. Thus, the correct option is D.
What is calcium chloride function?
Calcium chloride act as firming agent in canned vegetables, to hard soybean curds into tofu, and to form a caviar substitute from vegetable or fruit juices. It is commonly used in sports drinks and other beverages, such as bottled water as an electrolyte.
Baking soda reacts with calcium chloride to form bubbles because the hotter the reaction is, the reaction will have the more energy, and the reaction will be fasters and stronger.
More the hotter, has faster moving particles and that's why it is hot, and when it is hot it will have a more faster and stronger reaction as compare to if it was at a lower temperature.
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