- Calcium carbonate is a common substance found in rocks as the minerals calcite and aragonite. - Marble is a metamorphic rock composed primarily of recrystallized carbonate minerals, most commonly calcite. - Chalk is a soft, white, porous sedimentary rock, a form of limestone composed primarily of the mineral calcite.
Chalk and marble are different forms of
Asked in UPSC NDA 2 2020 · Topic: Inorganic Chemistry (Chemistry of Main Group Elements (s-block and p-block))
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