QS New Style Educational Bubble Children Customized Candy Toy 35 ML 2 Color Bubble Stick Kids Baby Toy
Product description
However, if the water molecules are excessively bonded together, bubbles are not easy to form. Soap "breaks" the surface tension of water. It reduces the surface tension to only 1/3 of that under normal conditions. After the bubble is formed, a large surface tension is required to make the bubble bigger.
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