Question : What is the chemical name of Marble?
Option 1: Magnesium oxide
Option 2: Sodium hydroxide
Option 3: Calcium hydroxide
Option 4: Calcium carbonate
Correct Answer: Calcium carbonate
Solution : The correct answer is Calcium carbonate .
The chemical name of marble is calcium carbonate, and its chemical formula is CaCO 3 . Marble is a Metamorphic rock which consists of carbonate minerals, which are recrystallized, the most common of which is dolomite. Limestone and calcite also have the same chemical name.
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