Sagot :
Explanation:
this is answer i hope help you bràîñléss mé plzz

Question:
C+2+O2-² Cao
H₂+1 + O2-2 > H₂ O
Al+3+ O2-² > Al2O3
NA+ OH-1 +Ba+2 > Ba(OH) 2
Na+ + Cl₂2-¹ → NaCl
Answer
in the pic sir copied in another ans pero tama po yung asa taas na sagot ty^^
