Chemistry, asked by rekhachiru1983, 7 months ago

egg shells are made up of​

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Answered by Anonymous
1

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Eggshell is made almost entirely of calcium carbonate (CaCO3) crystals. It is a semipermeable membrane, which means that air and moisture can pass through its pores. The shell also has a thin outermost coating called the bloom or cuticle that helps keep out bacteria and dust.

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