Which is the national flower of Barbados ?
Which is the national flower of Barbados ?
A. Flax
B. Pride Of Barbados
C. Red Poppy
D. Black Orchid
Month: February 2019
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When was the Famous children’s television show “Ainak Wala Jinn” broadcasted by PTV?
When was the Famous children’s television show “Ainak Wala Jinn” broadcasted by PTV?A. 1990
B. 1991
C. 1992
D. 1993 -
President Arif Alvi conferred __________ highest of civil award of Pakistan to Saudi Crown Prince Mohammed bin Salman on Feb 18, 2019?
President Arif Alvi conferred __________ highest of civil award of Pakistan to Saudi Crown Prince Mohammed bin Salman on Feb 18, 2019?A. Sitara-e-Pakistan
B. Nishan-e-Pakistan
C. Hilal-e-Pakistan
D. None of these -
Who is the Current President of Zarai Tarqiati Bank Limited (ZTBL)?
Who is the Current President of Zarai Tarqiati Bank Limited (ZTBL)?A. Syed Talat Mehmod
B. Adnan Ghani
C. Choudary Ashraf Zaka
D. None of these -
There is no correspondence between stoichiometric and the rate equation in case of a/an _____________ reaction?
There is no correspondence between stoichiometric and the rate equation in case of a/an _____________ reaction?A. Elementary
B. Multiple
C. Autocatalytic
D. Non-elementary -
Specific rate constant for a second order reaction__________________?
Specific rate constant for a second order reaction__________________?A. Is independent of temperature
B. Varies with temperature
C. Depends on the nature of the reactants
D. Both B. and C. -
A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A → B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?
A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A → B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?A. Inner catalyst core of radius R/8 does not participate in reaction
B. Inner catalyst core of radius R/2 does not participate in reaction
C. Inner catalyst core of radius 7R/8 does not participate in reaction
D. Effectiveness factor for a zero order reaction cannot be 7/8 as it must always be 1 -
If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is________________?
If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is________________?A. 1
B. 2
C. 3
D. 4 -
Velocity of a reaction depends upon the_________________?
Velocity of a reaction depends upon the_________________?A. Nature of the reactants
B. Concentration of the reactants
C. Temperature at which the reaction is carried
D. All A., B. and C. -
From among the following, choose one which is not an exothermic process ?
From among the following, choose one which is not an exothermic process ?A. Methanol synthesis
B. Catalytic cracking
C. Ammonia synthesis
D. Oxidation of sulphur