Question

7. What type of reactions are represented by the following equations ?
(a) CaO.+ CO2 -> CaCO3
(b) 2Na + 2H2O -> 2NaOH + H2
(c) Mg + CuSO4 → MgSO4 + Cu
(d) NH4NO2 -> N2 + 2H2O
plz frend help.............​

Answer 1

Answer:

a) combination reaction

b) displacement reaction

c) displacement reaction

d)decomposition reaction

Explanation:

a) two reactants give one product

b) sodium displaces hydrogen from water

c) magnesium displaces copper from its salt solution

d) ammonium nitrate decomposes in to nitrogen and water.