An alkaline earth metal gives a salt with chlorine which is sparingly soluble in water at room t...
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An alkaline earth metal gives a salt with chlorine which is sparingly soluble in water at room temperature but fairly soluble in boiling water. It also forms a sulphate whose mixture with a sulphide of a transition metal is called 'lithopone' and is used as a white pigment. The alkaline earth metal is :
(A) \( \mathrm{CC} \)
(B) \( \mathrm{Mg} \)
(C) \( \mathrm{Sr} \)
(D) \( \mathrm{Ba} \)
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