Question

be=beo=becl2=be(oh)2=be(no3)2

Answer 1

2Be+O2 --- 2BeO
BeO+2HCl --- BeCl2 + H2O
BeCl2+2NaOH --- Be(OH)2 + 2NaCl
Be(OH)2+2HNO3 --- Be(NO3)2 + 2H2O