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Preparations and Uses of Sodium Carbonate

Chemical form...

Question

Chemical formula of washing soda is:

A

N a_{2} C O_{3}

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B

N a_{2} C O_{3} .10 H_{2} O

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C

N a_{2} C O_{3} .5 H_{2} O

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D

N a_{2} S O_{4} .10 H_{2} O

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Solution

The correct option is D $N a_{2} C O_{3} .10 H_{2} O$
Decahydrate of sodium carbonate is known as washing soda.
Therefore, the correct molecular formula of washing soda is ${N a}_{2} {C O}_{3} \cdot 10 H_{2} O$ .

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Q. Match the column I with column II and mark the appropriate choice.

	Column I		Column II
(A)	$N a_{2} C O_{3}$	(i)	Caustic soda
(B)	$N a O H$	(ii)	Glauber's salt
(C)	$N a_{2} C O_{3} .10 H_{2} O$	(iii)	Soda ash
(D)	$N a_{2} S O_{4} .10 H_{2} O$	(iv)	Washing soda

Q. Chemical name and formula of washing soda is hydrated sodium carbonate and

N a_{2} C O_{3} .10 H_{2} O

Q. Write chemical formula of washing soda. How is it obtained from baking soda? Name the one industrial use of washing soda other than washing clothes.

Q. Give chemical name, formula, and uses of Washing soda.

Q. Fill in the blanks: The chemical formula of washing soda.......

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