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The chemical formula of chalk or limestone is calcium carbonate (CaCO3).
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∙ 13y ago
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What is the chemical formula of chalk?
Chalk is CaCO3. The chemical name for chalk is calcium carbonate. It is a porous sedimentary rock, and is also a type of limestone. The White Cliffs of Dover are actually made from chalk.
Is chalk harder than limestone?
No, Limestone is harder than chalk.
Is chalk calcium bicarbonate?
Yes "blackboard chalk", it is formed from the microscopic pieces of calcite (coccoliths) from sea micro-organisms. Soem other compounds are sometimes called chalk- e.g. "tailors chalk a very hard chalk used to mark cloth is often made from compressed "talc" a silicate mineral.
Is chalk sedimentary?
Yes,!! Chalk is fine grains of limestone compressed together and limestone is sedimentary, so chalk has to sedimentary.
What is a clastic limestone called like it's specific name for example chemical limestones are called tufa?
Chalk.
What do Chalk Marble and Limestone have in common?
they are both rocks but both formed different ways chalk is formed by dead sea creatures skeleltons build up to form chalk and limestone is formed by shells and very littke amounts of mud and sand
What is the relationship between limestone marble and chalk?
Chalk and marble are forms of limestone. They are all made of Calcium Carbonate.
Is chalk the same form of limestone?
The chemical formula is identical (CaCO3, calcium carbonate) but the physical and mineralogical properties are different.
Is chalk the same as the rock limestone?
It is pretty much the same. Chalk and limestone are made of the same elements, but to to make chalk they change the limestone a bit. First they change the shape and then make it smooth. I hope that helps!
What examples of a sedimentary rock are chalk and coal?
Chalk is a type of limestone. Limestone and coal are both organic sedimentary rocks.
What alkali is in chalk?
Chalk is limestone or calcite, calcium carbonate or CaCO3
What is the difference between Chalk and Gypsum?
Gypsum is a very soft mineral made of calcium sulfate dihydrate, chemical formula CaSO4·2H2O. Chalk is soft, white, porous limestone composed calcium carbonate, chemical formula CaCO3.
