What are some objects in a classroom that contain calcium?
What are some objects in a classroom that contain calcium?
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You can find calcium anywhere in the classroom. Chalk is composed of calcium sulfate. Calcium oxide and calcium phosphate are used in the making of glass, which is found in classroom windows. Calcium carbonate and calcium stearate are used in the production of cement. Calcium tungstate is used in paint and light bulbs, and calcium and its compound variants (hydroxylapite) keep the kids alive and healthy.
chalk
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If there are children in the class. All living humans contain calcium. You would die without it.
The wood of the pencils
The leather of the children’s and teachers shoes.
Any wool clothes
Ink has calcium and zinc
All these things have at least trace amounts of calcium.
Also some chalk does have it.
References :
Guesses checked and confirmed by Google
You can find calcium anywhere in the classroom. Chalk is composed of calcium sulfate. Calcium oxide and calcium phosphate are used in the making of glass, which is found in classroom windows. Calcium carbonate and calcium stearate are used in the production of cement. Calcium tungstate is used in paint and light bulbs, and calcium and its compound variants (hydroxylapite) keep the kids alive and healthy.
References :