Vinegar is an acid called acetic acid. When it combines with calcium carbonate in eggshell and in the antacid tablet, a chemical reaction takes place. In the reaction, the atoms in the acetic acid and ...

Nature Reviews Materials - Hydrogels: Mineral shapeshifters. Once dried, the hydrogel turns into a rigid and transparent material with a very smooth surface, similar to shrimp shells but much harder.

The egg shell in vinegar experiment demonstrates how calcium carbonate reacts with acetic acid. About 95 percent of an eggshell is made up of calcium carbonate. Other materials mostly made from ...

image: This photo shows blue mussel shells after initial treatment with acetic acid. view more Credit: Jennifer Murphy. Scientists have discovered a spongy form of calcium carbonate (CaCO3), a ...

Scientists have discovered a spongy form of calcium carbonate (CaCO3), a material found in limestone, chalk, ... Blue mussel shells after initial treatment with acetic acid.

In our case, the calcium carbonate and acetic acid combine to form three new products: Water, a salt called calcium acetate (which is immediately dissolved in the water so we don't see it), ...

Vinegar is a staple in housekeeping hacks and cleaning tips. BBC Future looks at why it might just be the most useful product in your pantry.