February 2019 -

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

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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

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General Knowledge MCQs

President Arif Alvi conferred __________ highest of civil award of Pakistan to Saudi Crown Prince Mohammed bin Salman on Feb 18, 2019?

Pakistan Current Affairs MCQs / admin

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

President Arif Alvi conferred __________ highest of civil award of Pakistan to Saudi Crown Prince Mohammed bin Salman on Feb 18, 2019? Read More »

Pakistan Current Affairs MCQs

Who is the Current President of Zarai Tarqiati Bank Limited (ZTBL)?

Current Presidents - Chairmen - CEOs, MCQs / Q&A / admin

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

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Current Presidents - Chairmen - CEOs, MCQs / Q&A

There is no correspondence between stoichiometric and the rate equation in case of a/an _____________ reaction?

Chemical Reaction / admin

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

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Chemical Reaction

Specific rate constant for a second order reaction__________________?

Chemical Reaction / admin

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.

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Chemical Reaction

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?

Chemical Reaction / admin

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

Chemical Reaction

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________________?

Chemical Reaction / admin

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

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________________? Read More »

Chemical Reaction