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31 January, 06:59

What is the chemical formula for chalk

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Answers (2)
  1. 31 January, 10:35
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    CaCO3 calcium carbonate
  2. 31 January, 10:39
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    Chalk is a soft sedimentary carbonate rock, a form

    of limestone composed of the mineral calcite.

    Calcite is a salt called calcium carbonate or CaCO3.
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