Washing soda has the formula -

1.	Washing soda has the formula -
A.	\[N{{a}_{2}}C{{O}_{3}}.7{{H}_{2}}O\]
B.	\[N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O\]
C.	\[N{{a}_{2}}C{{O}_{3}}.{{H}_{2}}O\]
D.	\[N{{a}_{2}}C{{O}_{3}}\]
Answer» C. \[N{{a}_{2}}C{{O}_{3}}.{{H}_{2}}O\]

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Washing soda has the formula -

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