Correct answer
D. Low amount of excess combustion air
Explanation
The correct answer is Low amount of excess combustion air.
Contact process of sulphuric acid manufacture ________?
The film co-efficient between condensing vapour and metal wall increases with ________?
In a chemical reaction, represented by as shown in the bellow figure, it is observed that the (i) Rate of reaction increases by a factor of 4 on doubling the concentration of the reactant. (ii) Rate of reaction increases by a factor of 9 on trebling the concentration of the reactant. Then the rate of the reaction is proportional to(where, CA = concentration of the reactant)________?
Thermodynamic equilibrium constant in a system is affected by________?
Use of grinding aids results in the ________?
When adsorption hysteresis is observed, the desorption equilibrium pressure is ________ that obtained by adsorption?