What happens when you put a rock in vinegar water?

When you put a rock in vinegar water, a chemical reaction takes place between the vinegar (acetic acid) and the minerals in the rock. This reaction produces carbon dioxide gas, which bubbles up and escapes from the water. The amount of carbon dioxide produced depends on the type of rock and the concentration of the vinegar.

Some rocks, such as limestone and marble, contain a lot of calcium carbonate. When these rocks are placed in vinegar water, the acetic acid reacts with the calcium carbonate to produce calcium acetate and carbon dioxide gas. The calcium acetate dissolves in the water, while the carbon dioxide gas bubbles up and escapes.

Other rocks, such as granite and sandstone, do not contain as much calcium carbonate. When these rocks are placed in vinegar water, the acetic acid reacts with the other minerals in the rock to produce different products. For example, when granite is placed in vinegar water, the acetic acid reacts with the feldspar minerals in the rock to produce aluminum acetate and carbon dioxide gas.

The reaction between vinegar and rocks can also cause the rock to change color. For example, when limestone is placed in vinegar water, the rock will turn from white to brown. This color change is due to the formation of iron oxide, which is a reddish-brown compound.

The reaction between vinegar and rocks can also be used to clean surfaces. For example, vinegar can be used to clean calcium deposits from sinks and faucets. To do this, simply pour vinegar onto the surface and let it sit for a few minutes. The acetic acid in the vinegar will dissolve the calcium deposits, which can then be wiped away with a cloth.