PDF chapter test TRY NOW

Match the followings.
 
Answer variants:
\(SO_2\)
Composition
\(H_2O\) + \(CO_2\)
Oxidation reaction
  
Column I
Column II
\(Mg\) → \(Mg^2{^+}\) + \(2e^-\)
\(H_2CO_3\) \(\xrightarrow[]{Heat}\)