Question : What is the chemical name of Marble?
Option 1: Magnesium oxide
Option 2: Sodium hydroxide
Option 3: Calcium hydroxide
Option 4: Calcium carbonate
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Correct Answer: Calcium carbonate
Solution : The correct answer is Calcium carbonate.
The chemical name of marble is calcium carbonate, and its chemical formula is CaCO3. 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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Question : Limestone, chalk and marble are different forms of ____________.
Option 1: calcium carbonate
Option 2: sodium carbonate
Option 3: potassium carbonate
Option 4: magnesium carbonate
Question : Which among the following is a covalent compound?
Option 1: Hydrogen chloride
Option 2: Magnesium hydroxide
Option 3: Calcium carbonate
Option 4: Sodium chloride
Question : Which of the following compounds is used as a drying agent?
Option 1: Calcium oxide
Option 2: Gypsum
Option 3: Calcium chloride
Option 4: Calcium hydroxide
Question : Milkiness observed on passing of carbon dioxide through lime water is due to the formation of:
Option 1: calcium hydroxide
Option 2: calcium bicarbonate
Option 3: calcium carbonate
Option 4: calcium chloride
Question : Sodium hydroxide is the chemical name of which of the following common substances?
Option 1: Bleaching powder
Option 2: Borax
Option 3: Caustic soda
Option 4: Chalk
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