Question

4) Identify the type of reaction from
the following equation
(a) CH4 + 02 - Co2 + H₂O
(b) (pbNo 3)2 + Kl - pbl2 + KNO3
(c) CaO + H2o - Ca (OH)
(d) CuSo4 + 2n - ZnSo4 + Cu​

Answer 1

Answer:

i. Combustion and redox reaction ii. Double displacement and precipitation reaction iii. Combination reaction iv. Displacement reaction

Answer 2

Answer:

(a) The combustion of methane or octane is exothermic, it release energy CH4+ 2O2 - CO2+ 2H2O + energy the energies of the products are lower than the energies of the reactants.