BeF_(2)ispreparedin thepresenceof CO_(2)bythermal decompositionof ___

1.	BeF_(2)ispreparedin thepresenceof CO_(2)bythermal decompositionof ___
Answer» `(NH_(4))BeF_(2)` `(NH_(4))_(2) Be F_(4) ` ` (NH_(4))_(2)BEF` `BeF_(3)` ANSWER :B

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