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chalk
because chalk is made of marine fossils compressed together
It produces Carbon di oxide which makes bubbles. Also chalk when it's made, has many vacuum in it.
Sllghtly less that 0.1 metres - to start with!
Chalk is almost pure Calcium Carbonate. Chalk is a form of Calcium.
Limestone, sandstone, mudstone and chalk.
Chalk has 1 syllable
It does absolutely nothing, all the peroxide does to the chalk is make the chalk look wet for many hours.
Limestone Chalk Calcareous sandstone Dolomite
For many schools, chalk is a required supply.
Chalk is mostly calcium carbonate, with the formula CaCo3. It is formed from the crushed bodies of tiny sea creatures, which over eons collected as sediment on sea floors, was uplifted, then worn away by erosion and weathering. Chemically speaking, calcium carbonate is the union of the alkaline earth metal calcium and the polyatomic carbonate ion.
it can be any color usually normal chalk is white but crayola's brand is as many colors.
Minor Tactics of the Chalk Stream has 133 pages.
One. CaCO3 is chalk and it contains one atom calcium.
chalk
colored chalk sidewalk chalk dustless chalk
Grind a chalk rock & a tablet of different kinds of foil togther, then add anything to make its flash brighter.