Limescale can build up in both traditional and glass kettles, and can also affect kettles with hidden elements. Fortunately, ...

In this activity: Students conduct a reaction with citric acid and baking soda in a universal indicator solution. The resulting chemical reaction produces a gas, causes a color change with an ...

And it looks like it’s a success, as the recipe is washing baking soda, de-icer, and citric acid, all combined in a blender. The result is microsphere crystals of calcium carbonate, but that was ...