what is the chemical name of the substance used to draw kolams ? A) calcium chloride, Oxides. B) calcium Oxide ,Hydroxides. C) calcium silicates, Carbonate. D) calcium Oxide, Nitrate.
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A. ). Calcium chloride.
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Kolams is famous in India.
Kolam is a form of drawing that is done using chalk.
Chalk is a chemical substance with a chemical name and a chemical formula.
Since the substance used to draw kolams is chalk we need to know the chemical name of chalk.
We also need to know the chemical formula of Chalk.
Chalk is a soft ,porous white sedimentary carbonate rock.
It is a form of limestone made up of Calcite mineral.
These calcite mineral is a salt known as Calcium carbonate.
The answer is thus :
Calcium Carbonate.
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