Question

Calcium carbonate is constituent of
(a) Lime stone (b) Chalk
(c) Marble
(d) All of these​

Answer 1

Answer:

(a)LIMESTONE

CaCO3 is calcium carbonate, commonly known as limestone. It consists of calcium (Ca), carbon (C) and oxygen (O) elements

Explanation:

Calcium carbonate (CaCO3) is a substance widely used for various purposes, for example, as a filler and pigment material not only in paper, plastics, rubbers, paints, and inks but also in pharmaceutics, cosmetics, construction materials, and asphalts and as a nutritional supplement in animal foods

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Answer 2

Answer:

option d)

Explanation:

all of the above............

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