Calcium carbonate is naturally available as limestone and can also be synthesized from quick lime It...........

General Science (Easy) Chemistry

Calcium carbonate is naturally available as limestone and can also be synthesized from quick lime. It is seen that the compositions of the elements in both the natural and synthetic calcium carbonate are same. The validity of which one among the following laws is confirmed by this observation?

Law of conservation of mass

Law of definite proportion

Law of multiple proportion

Avogadro?s law

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Explanation:

Law of definite proportion

As limestone, calcium carbonate is a biogenic rock, and is more compacted than chalk. As marble, calcium carbonate is a coarse-crystalline, metamorphic rock, which is formed when chalk or limestone is recrystallised under conditions of high temperature and pressure.