NUST entry test NET contains most of the Chemistry MCQs. FSC Part 1 Chemistry book MCQs. HSSC Chemistry questions MCQs. Solved Chapterwise Chemistry MCQs for first-year 11 class MCQs. Second-year and first-year Chemistry textbooks chapter-wise MCQs with the answer are provided here. PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations
PLS Boost Bundle
Get Access to 20 thousands+ MCQs Including Topical MCQs, Practice Tests, Mock Tests, Solved Past Papers, Flashcards, Notes, FLPS, and Much More.
The unit of rate constant is same as that of rate of reaction in:
NUMS 2019 Reconduct
Chemistry
Reaction Kinetics
Elimination Tool:
For a single step reaction A ->B + 2C, the rate law is:
NUMS 2017
Chemistry
Reaction Kinetics
Elimination Tool:
Half-life of an element is 5 days. If we have 50,000 of its atoms, then how many atoms would be left after 10 days?
Farming salt is:
NUMS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:
The unit of the rate constant is the same as that of the rate of reaction in:
PMC 2020
Chemistry
Reaction Kinetics
Elimination Tool:
The rate constant of a first-order reaction is 3 x 10-6 per second.
If the initial concentration is 0.10 M, the initial rate of reaction is:
NUMS 2018
Chemistry
Reaction Kinetics
Elimination Tool:
Rate determining step of a chemical reaction which occur in more than one step depends upon the
PMC Sample 1
Chemistry
Reaction Kinetics
Elimination Tool:
Common name of Octadecanoic acid is:
NTS 2016 DUHS & JSMU
Chemistry
Acids, Bases and Salts
Macromolecules
Elimination Tool:
In a reversible reaction, catalyst lowers the action energy of the:
NUMS 2020
Chemistry
Reaction Kinetics
Chemical Equilibrium
Elimination Tool:
The chemical reaction in which reactions require high amount of activation energy are generally:
NTS 2014
Chemistry
Reaction Kinetics
Elimination Tool:
The study of rates of chemical reactions and the factors that affect the rates of chemical reactions is known as:
PMC 2020
Chemistry
Reaction Kinetics
Elimination Tool:
For a reaction 2A + 3B -> C
The rate law expression is given by rate = K [A]1[B]2. The order of the reaction with respect to A, B and overall order of reaction are:
NUMS 2015
Chemistry
Reaction Kinetics
Elimination Tool:
H2SO4 has great affinity for water because:
NTS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:
75% of a first order reaction is completed in 36 minutes. What is the half life of the reaction?
NUMS 2017
Chemistry
Reaction Kinetics
Elimination Tool:
Which of the following statements is correct?
NTS 2017
Chemistry
Acids, Bases and Salts
Elimination Tool:
Rate = K [N2O5] has _____ of reaction.
NTS 2013
Chemistry
Reaction Kinetics
Elimination Tool:
The rate of a gaseous reaction Is given by K [A] [B]. If the volume of the vessel containing these gases is reduced to 1/4th of the initial volume, the rate of reaction relative to the original rate would be:
NUMS 2016
Chemistry
Reaction Kinetics
Elimination Tool:
For which of the following order of the reaction, rate of reaction is inversely proportional to the concentration reaction?
PMC 2020
Chemistry
Reaction Kinetics
Elimination Tool:
If the reaction, P + Q → R + S, is described as being of zero-order with respect to P, it means that:
NTS 2012
Chemistry
Reaction Kinetics
Elimination Tool:
The rate of reaction is equal to the specific rate constant, when:
Type of reactants or product decides the nature of method adapted for finding
PMC Sample 1
Chemistry
Reaction Kinetics
Elimination Tool:
Solar energy is stored through solar panels in?
Sum of all the exponents of the molar concentration of the reactant present in the rate equation is known as:
NTS 2012
Chemistry
Reaction Kinetics
Elimination Tool:
The rate of a chemical reaction is directly proportional to the product of active masses of the reactants, it is referred to as:
NTS 2018
Chemistry
Reaction Kinetics
Elimination Tool:
For the reaction, A(g) -> products:
When the concentration of A(g) doubles, the rate of reaction increases four folds, which means it is:
PMC 2020
Chemistry
Reaction Kinetics
Elimination Tool:
What is the order of the following reaction:
2NO +O2 -> 2NO2
NTS 2019
Chemistry
Reaction Kinetics
Elimination Tool:
Reaction of Sodium with water is an example of
PMC Sample 3
Chemistry
Reaction Kinetics
Elimination Tool:
A certain chemical reaction follows the
following rate law:
Rate =K [A] [B]2 The order of reaction is:
NTS 2011
Chemistry
Reaction Kinetics
Elimination Tool:
The colour of methyl orange in base is?
NTS 2015 SMBBMC
Chemistry
Acids, Bases and Salts
Elimination Tool:
Methyl orange is _______ in acidic solutions.
NTS 2018
Chemistry
Acids, Bases and Salts
Elimination Tool:
Instantaneous rate of reaction is the rate at any
PMC Sample 2
Chemistry
Reaction Kinetics
Elimination Tool:
What is the effect of catalyst in a reaction?
The effect of temperature on the rate of a reaction is given by:
NUMS 2020
Chemistry
Reaction Kinetics
Elimination Tool:
The change in concentration of reactants or products per unit time is
PMC Sample 3
Chemistry
Reaction Kinetics
Elimination Tool:
“The sum of all the exponents to which the molar concentration in terms in the rate equation are raised” defines:
NUMS 2016
Chemistry
Reaction Kinetics
Elimination Tool:
A catalyst is a substance which:
NUMS 2017
Chemistry
Reaction Kinetics
Elimination Tool:
The rate of reaction:
PMC Sample 2
Chemistry
Reaction Kinetics
Elimination Tool:
A catalyst:
NTS 2016 DUHS & JSMU
Chemistry
Reaction Kinetics
Elimination Tool:
The rate of chemical reaction:
PMC Sample 2
Chemistry
Reaction Kinetics
Elimination Tool:
Which of the following oxides is amphoteric in character?
NUMS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:
Metaboric acid when heated produces:
NTS 2016 DUHS & JSMU
Chemistry
Acids, Bases and Salts
Elimination Tool:
The influence of temperature on reaction rate is predicted by:
NUMS 2019 Reconduct
Chemistry
Reaction Kinetics
Elimination Tool:
The rate of a reaction in general can be increased by all the following factors except:
NUMS 2015
Chemistry
Reaction Kinetics
Elimination Tool:
Activated complex is formed due to
PMC Sample 3
Chemistry
Reaction Kinetics
Elimination Tool:
Which of the following acids is used for Etching glass?
NTS 2011
Chemistry
Acids, Bases and Salts
Elimination Tool:
Blue litmus turns red in a solution of PH
NUMS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:
The rate of reaction:
NUMS 2020
Chemistry
Reaction Kinetics
Elimination Tool:
Half-life of iron is? (A=59)
The process of bringing an element in use after its complete half-life is:
If energy of the activated complex is close to energy of reactants, it means that the reaction is:
NUMS 2019 Reconduct
Chemistry
Reaction Kinetics
Elimination Tool:
In a zero-order reaction, the rate is independent of:
NTS 2019
Chemistry
Reaction Kinetics
Elimination Tool:
Half life period of the first order reaction depends upon:
NUMS 2015
Chemistry
Reaction Kinetics
Elimination Tool:
In general Photochemical reactions are of order
PMC Sample 1
Chemistry
Reaction Kinetics
Elimination Tool:
Which of the following statements best describes how a catalyst works
NUMS 2018
Chemistry
Reaction Kinetics
Elimination Tool:
As the concentration of reactant increases, the rate of reaction also increases, it is because:
NUMS 2018
Chemistry
Reaction Kinetics
Elimination Tool:
The unit of rate of reaction is:
NTS 2011
Chemistry
Reaction Kinetics
Elimination Tool: