Classes of Reactions and Physicochemical Mechanism Online Exam Quiz
Classes of Reactions and Physicochemical Mechanism GK Quiz. Question and Answers related to Classes of Reactions and Physicochemical Mechanism. MCQ (Multiple Choice Questions with answers about Classes of Reactions and Physicochemical Mechanism
For which of the following conditions does the combustion proceeds at the highest velocity (where MPC1 and MPC2 are melting points of component 1 and 2 respectively)?
Options
A : MPC1 < Tad < MPC2
B : Tad > MPC1 and MPC2
C : Tad < MPC1 and MPC2
D : Tad = MPC1 and MPC2
In SHS reactions, an important parameter is the ___
Options
A : Isothermal temperature
B : Volumetric expansion
C : Adiabatic temperature
D : Heat
In the case of TiB2, high pressures are needed to make it a gasless combustion.
Options
A : TRUE
B : FALSE
C : -
D : -
Solid state combustion leads to ___ combustion velocities.
Options
A : Highest
B : Lowest
C : Lower
D : High
Which of the following equation represents 'reaction of the elements with decomposition products' type of SHS reaction?
Options
A : Ni + Al ? NiAl
B : 2TiH2 + N2 ? 2TiN + 2H2
C : B2O3 + TiO2 + 5Mg ? TiB2 + 5MgO
D : 2BH3N2H4 ? 2BN + N2 + 7H2
Which of the following equation represents 'Synthesis from compounds' type of SHS reaction?
Options
A : PbO + WO3 ? PbWO4
B : B2O3 + 3Mg + N2 ? 2BN + 3MgO
C : Nb + Li2O2 + 0.5Ni2O5 ? 2LiNbO3
D : Ni + Al ? NiAl
Which of the following equation represents 'Thermal decomposition' type of SHS reaction?
Options
A : Nb + Li2O2 + 0.5Ni2O5 ? 2LiNbO3
B : 2TiH2 + N2 ? 2TiN + 2H2
C : 2BH3N2H4 ? 2BN + N2 + 7H2
D : B2O3 + 3Mg + N2 ? 2BN + 3MgO
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