Question

Identify the type of reaction
(I) CaO+H2SO4--- Ca(OH)2+heat
(ii) Zn+H2SO4----ZnSO4+H2
(iii) Pb(NO3) +2KI----PbI2+2KNO3
(iv) 2AgBr---2Ag+Br2​

Answer 1

Answer:

1 exothermic reaction

2) displacement reaction

3) double displacement reaction

decomposition reaction

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Answer 2

Answer:

1. exothermic reaction

2.dispacement reaction

3.double displacement reaction

4.synthesis reaction