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Chalk is almost pure Calcium Carbonate. Chalk is a form of Calcium.
1,000,000,000,000,000,000,000 dollars
Powdered limestone (lime) and water makes a sticky paste. It sticks to grass well enough to use as paint for the yard lines on a football field. The fruit lime has some sugar in its juice but not so much that it makes your hands feel sticky. You can use the juice from a slice of lime as a fingerbowl at the table. It works well when you are eating ribs.
There are about 10 Calories in half a lime.
Approx $200,000
Chalk does not belong to a rock group. Chalk is a type of sedimentary rock composed mainly of the mineral calcite.
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The pH level of lime is about 2. This means that it is very acidic.
One lime contains 2 grams of dietary fiber.
i think white chalk does last longer than coloured chalk because of chemicals. Not everything is coloured or just white but teachers tend to often use white chalk. They use it and use it but does it finish in one day no coloured chalk not much people use but it will change colour very quickly because it doesnt get used as much as white does.so shut up