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Chalk is composed of calcite which is calcium carbonate. When CaCO3 is heated the carbon dioxide from its structure escapes thus breaking its well formed structure which breaks and the chalk crumbles.
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∙ 12y ago
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Is a chalk a base?
Chalk is calcium carbonate, a salt, but it is mildly basic.
What temperature does chalk melt?
No, melting chalk is impossible, but dissolving chalk is possible. This can be done when you mix the chalk with some liquid and there you have it...DISSOLVED CHALK IN A LIQUID!
Is chalk good for your teeth.?
Yup I do it all the time it makes my teeth stronger and whiter if you choose white chalk just make sure to crunch the chalk between your so yes eating chalk is good for you!:)
Where does chalk com from?
chalk comes from chalk deposits the white cliffs of dover is one then the grind it into powder then they press it into molds of chalk then they sell it
What is the gender of chalk?
The word 'chalk' is a neuter noun, a word for a thing that has no gender.
Is chalk strong?
Depending on what you mean by strong, chalk is terribly weak in terms of erosion.
Is a chalk a base?
Chalk is calcium carbonate, a salt, but it is mildly basic.
Is chalk soluble in COLD water?
No, it is not. Chalk is calcite - calcium carbonate (CaCO3), and it won't dissolve in water.
Does chalk produce CO2 on heating?
yes, bcoz its made up of calcium carbonate by, Benedict
Why is chalk easy to break but also very strong?
chalk is made from a chalk like rock. The reson why its hard is because it a rock and the reson why it break so easy is because of its weight and size
What temperature does chalk melt?
No, melting chalk is impossible, but dissolving chalk is possible. This can be done when you mix the chalk with some liquid and there you have it...DISSOLVED CHALK IN A LIQUID!
Which two rocks are quite crumbly and not very strong?
obiousely coal
Why is chalk good for writing on a hard surface?
Chalk can be used to write on any hard dark surface that is slightly abrasive (not polished smooth).
Is chalk a good insulator?
chalk is an insulator because heat does not flow through it as easily.
Is chalk good for your teeth.?
Yup I do it all the time it makes my teeth stronger and whiter if you choose white chalk just make sure to crunch the chalk between your so yes eating chalk is good for you!:)
What is the rock that makes up white cliffs of dover?
chalk
What is a word that goes before chalk?
colored chalk sidewalk chalk dustless chalk
