Question

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Answer 1

Răspuns:

a) 2 Ca + O2/> 2 CaO

b) Zn + 2HCl => ZnCl2 + H2

c) 2 Na + Cl2 => 2NaCl

d) 4Al + 3Cl2 => 2AlCl3

e) 2AgNO3 + CuCl2 = > 2AgCl + Cu ( NO3)2

f) 2Al(OH)3=> Al2O3 + 3H2O