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How much time does it take to dissolve sidewalk chalk in soda?
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.
Is crushing an aluminum can a physical irreversible change?
Yes. Physical change is when you change the appearance but not the actual object. Crushing an aluminum can is a physical change because you have only changed its shape, but not its chemical composition.
How do you crush a chalk board?
Crushing a chalk board is not recommended as it can create a mess and cause damage to the surroundings. If necessary, it is best to dispose of an old chalkboard properly by recycling or seeking professional assistance for dismantling.
What is chalk powder?
Chalk powder is a fine powder made from crushing and grinding natural chalk into a soft, white substance. It is commonly used in various applications, such as in classrooms for writing on chalkboards, in sports for marking playing fields, and in recreational activities like rock climbing.
What is the rock that makes up white cliffs of dover?
chalk
Is mix of chalk and water irreversible?
IRREVERSIBLE
Is crushing a piece of chalk a chemical change or a physical change?
Crushing a piece of chalk is only a physical change. Chemically, it is still chalk.
When chalk is crushed is it a physical or chemical property?
Crushing chalk is a physical change, not a chemical change. Physical changes alter the form or appearance of a substance without changing its chemical composition. So, when chalk is crushed, it remains the same substance chemically but in a smaller form.
How much time does it take to dissolve sidewalk chalk in soda?
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.
Is crushing an aluminum can a physical irreversible change?
Yes. Physical change is when you change the appearance but not the actual object. Crushing an aluminum can is a physical change because you have only changed its shape, but not its chemical composition.
What do you get when you crush a piece of chalk?
When you crush a piece of chalk you get lots of small pieces of chalk.It is only a physical change. It is not a chemical change.
Is a piece of chalk crushed a physical change?
Yes, crushing a piece of chalk is a physical change because the chalk is still composed of the same molecules before and after being crushed. The change in appearance is only due to the physical state of the substance.
How do you crush a chalk board?
Crushing a chalk board is not recommended as it can create a mess and cause damage to the surroundings. If necessary, it is best to dispose of an old chalkboard properly by recycling or seeking professional assistance for dismantling.
What is chalk powder?
Chalk powder is a fine powder made from crushing and grinding natural chalk into a soft, white substance. It is commonly used in various applications, such as in classrooms for writing on chalkboards, in sports for marking playing fields, and in recreational activities like rock climbing.
Chalk reacts with hydrochloric acid when mixed Will pounding the chalk into powder increase the rate of reaction?
Yes, pounding chalk into powder will increase the rate of reaction with hydrochloric acid. This is because crushing the chalk into a powder increases its surface area, allowing more of it to come into contact with the hydrochloric acid and react.
Is mixing flour and water is reversible or irreversible?
no
Is adding lemon juice to red cabbage juice reversible or irreversible?
reversable
