Washing Soda is the common name for A) Calcium Carbonate B) Magnesium

Washing Soda is the common name for
A) Calcium Carbonate
B) Magnesium Carbonate
C) Sodium Carbonate
D) Potassium Carbonate

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Calcium Carbonate

Magnesium Carbonate

Sodium Carbonate

Potassium Carbonate

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This question was previously asked in

UPSC NDA-1 – 2015

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Washing Soda is the common name for Sodium Carbonate ($\text{Na}_2\text{CO}_3$). It is typically sold as the decahydrate, $\text{Na}_2\text{CO}_3 \cdot 10\text{H}_2\text{O}$. It is widely used as a cleaning agent, in laundry, and in the manufacture of glass and paper.

Knowing the common names of important chemical compounds.

Calcium Carbonate ($\text{CaCO}_3$) is found in limestone, marble, and chalk. Magnesium Carbonate ($\text{MgCO}_3$) is a component of minerals like magnesite. Potassium Carbonate ($\text{K}_2\text{CO}_3$) is also known as potash and is used in various industrial applications, including soap and glass making.

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