निम्न में से किसकी प्रकृति मात्र अम्लीय है- (A) \( \mathrm{Be}(\mathrm{OH})_{2} \) (B) \( \mathr...

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निम्न में से किसकी प्रकृति मात्र अम्लीय है-
(A) \( \mathrm{Be}(\mathrm{OH})_{2} \)
(B) \( \mathrm{B}(\mathrm{OH})_{3} \)
(C) \( \mathrm{Mg}(\mathrm{OH})_{2} \)
(D) \( \mathrm{Al}(\mathrm{OH})_{3} \)
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