Question

Identify the following of chemical reaction ion in the following statement and define each of them Digestion of food in our life Rusting of iron Heating of manganese dioxide with Aluminium powder Blue colour of CuSo4 solution disappears when iron fillings are added to it Dillute HCL is added to NaOH solution to form Nacl2 and H2O

Answer 1

Digestion of food is NEUTRALISATION REACTION.
Rusting of iron is COMBINATION REACTION.
Heating of manganese dioxide with Aluminium powder is DISPLACEMENT REACTION.
Blue colour of CuSO4 solution disappear when iron filling are added to it is DISPLACEMENT REACTION.
last one is neutralisation reaction.

Answer 2

● Digestion of food => Decomposition reaction because the molecules are broken down, but many cosider it as combustion because it release heat but digestion is a endothermic process hence it is decomposition reaction..

● Rusting of iron => Redox reaction or Oxidation reaction because iron is oxidized by moisture..

● MnO2 + Al => Displacement reaction because Aluminium is more reactive than manganese hence it will displace manganese..

● Cuso4 + Fe => Displacement reaction because iron is more reactive than copper hence it will displace copper from the solution therefore the colour of the blue solution changes..

● HCl + NaOH ---> NaCl2 +H2O .....
this is a double displacement reaction because both the elements displaced themselves...

Hope it will help ..♡♡