1. Tardigrade
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  3. Chemistry
  4. When BaCl2 is added to an aqueous salt solution, a white precipitate is obtained. The anion among CO3 2-, SO3 2- and SO4 2- that was present in the solution can be :

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Q. When $BaCl_2$ is added to an aqueous salt solution, a white precipitate is obtained. The anion among $CO_3^{ 2-}, SO_3^{ 2-}$ and $SO_4^{ 2-}$ that was present in the solution can be :

WBJEEWBJEE 2017The s-Block Elements

Solution:

$\because$ If $CO _{3}^{2-}, SO _{3}^{2-}$ and $SO _{4}^{2-}$ are present alongwith $BaCl _{2}$, these can also show white precipitate (as precipitate of all these are also white).