- (A) Increased temperature reduces the activation energy
- (B) Fraction of molecules having threshold energy increases
- (C) Collision frequency increases
- (D) Value of threshold energy decreases
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) The composition of reactants remains constant along a flow path
- (B) The conversion of the reactant varies from point to point along a flow path
- (C) There is no lateral mixing of fluid
- (D) There may be diffusion along the flow path
- (A) Initiates a chemical reaction and is a catalyst by itself
- (B) Alters the position of equilibrium in a reversible reaction
- (C) Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals
- (D) All
- (A) 0.16
- (B) 0.144
- (C) 0.152
- (D) 0.136
- (A) Slurry
- (B) Plug flow
- (C) Homogeneous catalytic
- (D) None of these
- (A) Langmuir
- (B) Freundlich
- (C) Tempkin
- (D) None of these
- (A) First
- (B) Zero
- (C) Second
- (D) Third
- (A) V/n
- (B) V
- (C) V.n
- (D) 1/V
- (A) Linearly with time
- (B) Exponentially with time
- (C) Very abruptly towards the end of the reaction
- (D) Logarithmically with time
- (A) 3
- (B) 4
- (C) 6
- (D) 10
