Chalk is made out of Calcium Sulphate and it dissolves in weak acids which means it is a weak chemical to acids. So the vinegar wich is a typr of an acid dissolves the chalk with cool foams foaming in the jug or a cup.
because of the acid in the vinegar
EDIT(Dr.J.): Actually, chalk is mostly calcium carbonate, not calcium sulphate. The carbonate reacts with acetic acid (vinegar) to create CO2 and H2O as follows:
CaCO3 + 2CH3COOH ==> Ca(CH3COO)2 + 2H2CO3 ==> 2CO2 + 2H2O
Wiki User
∙ 7y agoChalk is primarily composed of calcium carbonate, which tends to dissolve in acidic solutions. When placed in acidic liquids, such as vinegar, the acid reacts with the calcium carbonate to form soluble calcium acetate, carbon dioxide gas, and water, leading to the dissolution of the chalk.
Wiki User
∙ 13y agoIt acually matters on how big the chalk is. If it's small, it will erode away slowly. Ask again with a measurment next time.
add. But your blackboard chalk may not dissolve at all, for it is possibly made of CaSO4, not CaCO3.
Wiki User
∙ 12y agoOnly completely in lemon juice, a tiny bit in vinegar, and not at all in water.
Wiki User
∙ 14y agoChalk is made of calcium carbonate, meaning it eventually will dissolve in vinegar.
Wiki User
∙ 11y agoYes chalk does dissolve in vinegar
Wiki User
∙ 11y agobecause in most liquid it want dissolve
Wiki User
∙ 14y agoNo
Saniktiar Basaiawmoi...
Yes
For example polar liquids dissolve polar solids, nonpolar liquids dissolve nonpolar solids.
Depends on the pH of the water but it would dissolve faster in fresh water because there isn't as much stuff in solution. true... but it took me about 8.30 seconds to dissolve with the perfect pH.....
It typically takes several hours for sidewalk chalk to dissolve in soda, depending on the size of the chalk piece and the type of soda used. The process may be accelerated by stirring or crushing the chalk pieces.
Yes, sidewalk chalk is made of calcium carbonate which is not soluble in gasoline. The chalk would likely not dissolve but it may break down and form a sludge or residue in the gasoline. It is not recommended to mix chalk with gasoline as it can cause clogging and damage to the engine.
Rather badly.
In order to dissolve chalk in water, vinegar needs to be added. The vinegar has acid in it that eats away at the chalk to dissolve it.
Chalk will not dissolve in Sprite because chalk is made mostly of calcium carbonate which is not soluble in water. The chalk will remain solid and will not mix with the liquid.
No, the chalk will not dissolve in water even if sugar is added. Chalk is made of calcium carbonate, which is insoluble in water. The sugar will dissolve in the water but not the chalk.
No, Coca-Cola will not dissolve hair!! How do i know this? Well, I actually just did my Science Fair Project to see if hair will dissolve in certain liquids and coca-cola was one of my liquids. the Coca-Cola only changed the color of the hair but it did not dissolve it. Bleach will dissolve it in a matter of hours!!
Yes lemon juice can dissolve chalk and other things like the enamel on your teeth
No! its insoluble
yes they can but it depends on the liquids
insoulble
For example polar liquids dissolve polar solids, nonpolar liquids dissolve nonpolar solids.
Depends on the pH of the water but it would dissolve faster in fresh water because there isn't as much stuff in solution. true... but it took me about 8.30 seconds to dissolve with the perfect pH.....
It typically takes several hours for sidewalk chalk to dissolve in soda, depending on the size of the chalk piece and the type of soda used. The process may be accelerated by stirring or crushing the chalk pieces.
Yes, acid rain can dissolve chalk because chalk is made of calcium carbonate which reacts with acid to form calcium ions, carbon dioxide, and water. Over time, repeated exposure to acid rain can break down and dissolve chalk surfaces.