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The salt that is added to table salt to make it flow freely in rainy season is
A. KCl
B. KI
C. `Ca_(3)(PO_(4))_(2)`
D. `Na_(3)PO_(4)`

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Correct Answer - C
`Ca_(3)(PO_(4))_(2) ` Both Ca and P are needed by human beings . Also they prevent moisture absorbing power of other components such as `MgCl_(2) , CaCl_(2) , CaSO_(4)` and `MgSO_(4)` present in commercial sodium chloride .

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