A. are gaseous at room temperature.
B. form white precipitate with AgNO3(aq)
C. react violently with hydrogen without heating
D. react with alkali
Correct Answer: Option D
D. react with alkali
A. are gaseous at room temperature.
B. form white precipitate with AgNO3(aq)
C. react violently with hydrogen without heating
D. react with alkali
Correct Answer: Option D
D. react with alkali
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