One (or more) of the following is (are) True for Stoichiometric combustion:a.Equivalence ratio equals 1b.Combustion products should include CO2, H2O, SO2 and O2c.Fuel is burned completely in the presence of oxidizer amount exceeding the minimum requirementd.Highest adiabatic flame temperature can be achieved

The statement "Equivalence ratio equals 1" is true for stoichiometric combustion. In stoichiometric combustion, the amount of fuel and oxidizer are in perfect balance, meaning that the equivalence ratio is 1. This ensures that all the fuel is burned completely, producing the maximum amount of heat.

The statement "Combustion products should include CO2, H2O, SO2 and O2" is partially true. In stoichiometric combustion, the combustion products are typically CO2 and H2O. However, SO2 and O2 are not necessarily products of stoichiometric combustion. SO2 would only be a product if the fuel contained sulfur, and O2 would only be present if there was excess oxygen.

The statement "Fuel is burned completely in the presence of oxidizer amount exceeding the minimum requirement" is not true for stoichiometric combustion. In stoichiometric combustion, the amount of fuel and oxidizer are in perfect balance, so there is no excess oxidizer. If there was excess oxidizer, it would result in incomplete combustion.

The statement "Highest adiabatic flame temperature can be achieved" is true for stoichiometric combustion. Because all the fuel is burned completely in stoichiometric combustion, it produces the maximum amount of heat, resulting in the highest adiabatic flame temperature.