1.

Aqueous solution of a group 2 element is precipitated by adding \[N{{a}_{2}}C{{O}_{3}},\] then this precipitate is tested on flame, no light in visible region is observed , this element can be

A. \[Ba\]
B. \[Mg\]
C. \[Ca\]
D. \[Sr\]
Answer» C. \[Ca\]


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