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CGP EDU Academic Team
Published on: August 14, 2026
A metal (M) burns with dazzling brilliance in air above 1000ºC to give a white powder. The white powder reacts with water to form a white precipitate (P) and a colourless gas (G) with a characteristic smell. The metal (M) dissolves in conc. NaOH to liberate another gas(H). (H) may also be obtained on heating (G). Then:
Text Solution
Verified by ExpertsThe correct answer is:
B
Be + Air 
BeO + Be 3 N 2 (white powder )
Be 3 N 2 + 6H 2 O 3Be (OH) 2 (white precipitate ) + 2NH 3 (Colourless gas )
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