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Classify each reaction type 4Co(s) + 3O2(g) → 2Co2O3(s)       [ Choose ]        ...

Classify each reaction type

4Co(s) + 3O2(g) → 2Co2O3(s)

      [ Choose ]            decomposition            combination            double replacement            single replacement            neutralization      

2LiClO3(s) →2LiCl(s)+ 3O2(g)

      [ Choose ]            decomposition            combination            double replacement            single replacement            neutralization      

Cu(s)+2AgC2H3O2(aq) →Cu(C2H3O2)2(aq)+2Ag(s)

      [ Choose ]            decomposition            combination            double replacement            single replacement            neutralization      

3H2SO4(aq)+2Al(OH)3(aq) → Al2(SO4)3(aq)+6H2O(l)

      [ Choose ]            decomposition            combination            double replacement            single replacement            neutralization      

Pb(NO3)2(aq)+2LiCl(aq) → PbCl2(s)+2LiNO3(aq)

      [ Choose ]            decomposition            combination            double replacement            single replacement            neutralization      

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Answer #1

4Co(s) + 3O2(g) → 2Co2O3(s)

It is an example for combination reaction since two elements/compounds combine to give a product.

2LiClO3(s) →2LiCl(s)+ 3O2(g)

It is an example for decomposition

Cu(s)+2AgC2H3O2(aq) →Cu(C2H3O2)2(aq)+2Ag(s)

Here Cu & Ag dispalces their positions it is an example for double replacement reaction.   

3H2SO4(aq)+2Al(OH)3(aq) → Al2(SO4)3(aq)+6H2O(l)

An acid reacts with a base to form salt it is an example for neutralization reaction

Pb(NO3)2(aq)+2LiCl(aq) → PbCl2(s)+2LiNO3(aq)

It is an example for double replacement reaction.

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