meerah9 meerah9

16-02-2018
Chemistry

contestada

Calcium carbonate is also known as limestone. It is made up of the elements _______.
A. calcium and carbon.
B. calcium and hydrogen.
C. calcium, carbon and oxygen. D. calcium, hydrogen and oxygen.

Respuesta :

TheBilogis TheBilogis

16-02-2018

Calcium=Ca2+
Carbonate=(CO3)2-

Therefore it is composed of Calcium, Carbon and Oxygen.

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