Which one of the following is the chemical formula of Washing Soda ?

N a H C O_{3}

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N a_{2} C O_{3} \cdot 10 H_{2} O

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N a_{2} C O_{3} \cdot 5 H_{2} O

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N a O H

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Solution

The correct option is C $N a_{2} C O_{3} \cdot 10 H_{2} O$
The chemical name for washing soda, also called sodium carbonate, is $N a_{2} C O_{3} .10 H_{2} 0.$
Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate), commonly known as baking soda, is a chemical compound with the formula $N a H C O_{3}$ . It is a salt composed of sodium ions and bicarbonate ions.

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Similar questions

The formula of soda ash is
(a) $N a_{2} C O_{3} .10 H_{2} O$ (b) $N a_{2} C O_{3} . 2 H_{2} O$
(c) $N a_{2} C O_{3} . H_{2} O$ (d) $N a_{2} C O_{3}$

Washing soda has the formula Na₂CO₃.10H₂O. What mass of anhydrous sodium carbonate is left when all the water of crystallization is expelled by heating 57.2 g of washing soda?

Q. Match list I with list II and choose the correct answer from the codes given below :
List I List II
(A)

N a N O_{3}

(a) Baking soda
(B)

N a (N H_{4}) H P O_{4}

(b) Chile salt peter
(C)

N a H C O_{3}

{N a}_{2} C O_{3} \cdot 10 H_{2} O

(d) Washing soda

Q. What is the common name of (a) NaHCO₃ and (b) Na₂CO₃.10H₂O?

Q. The common name of sodium carbonate (

N a_{2} C O_{3}

) is washing soda.

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