Which of the following substances exhibits hydrogen bonding?

NUMS Mock 4
Chemistry
Chemical Bonding

Instantaneous rate of reaction is the rate at any

PMC Sample 2
Chemistry
Reaction Kinetics
Elimination Tool:

The oxidation number of all the elements in the free state is:

NTS 2012
Chemistry
Electrochemistry
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:

The breakdown of a substance with current is:

NUMS 2020
Chemistry
Electrochemistry
Elimination Tool:

Which of the following reaction takes place when acetone reacts with HCN?

NUMS Mock 4
Chemistry
Aldehydes and Ketones

The raindrop acquires a spherical shape and ink spread over blotting paper due to:

NTS 2010
Chemistry
Chemical Bonding
Elimination Tool:

In which of the following cases are the benzene rings isolated?

NUMS 2015
Chemistry
Hydrocarbons
Elimination Tool:

For which mechanism the first step involved is the same?

NTS 2016 DUHS & JSMU
Chemistry
Macromolecules
Elimination Tool:

IUPAC Nomenclature of:

CH3 – CH = CH – CH2 – CH = CH2 is:

NTS 2011
Chemistry
Hydrocarbons
Elimination Tool:

All of the following substances can act as Lewis acids except:

NUMS Mock 3
Chemistry
Acids, Bases and Salts

The carbon number of gasoline is:

NTS 2019
Chemistry
Hydrocarbons
Elimination Tool:

Which one of the following was used as one of the earliest antiseptic and disinfectants?

UHS 2015
Chemistry
Industrial Chemistry
Elimination Tool:

H —CHO is:

The influence of temperature on reaction rate is predicted by:

NUMS Mock 1
Chemistry
Reaction Kinetics

Which transition metal is used the most in industries?

PMC 2021 Tested
Chemistry
d and f Block Elements
Elimination Tool:

A graph between volume and temperature gives a straight line which cuts the temperature axis at:

NUMS 2020
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Which of the following is bleaching powder’s formula?

A very small value of ‘Kc’ for a reaction at equilibrium indicates:

NUMS 2018
Chemistry
Chemical Equilibrium
Elimination Tool:

A compound has an empirical (simple) formula, C2H2O. If the experimental molecular weight is found to be in the range 160-170, the molecular formula of this compound is:

(Atomic weight: C = 12.1, H = 1.008, O = 16).

PMC Practice 21
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

The mass number of an atom is:

PMC 2021 Tested
Chemistry
Fundamental Principles of Organic Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

Which gases are produced when alcohol reacts with thionyl chloride?

PMC Sample 1
Chemistry
Alkyl Halides and Amines
Elimination Tool:

When hexane dioic acid is heated with hexamethylene diamine, the compound formed is:

UHS 2011
Chemistry
Industrial Chemistry
Elimination Tool:

Avogadro’s constant is the number of:

PMC 2021 Tested
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

By which of the following factors, equilibrium state is attained earlier?

NUMS 2020
Chemistry
Chemical Equilibrium
Elimination Tool:

Thermochemistry is very important to learn about _______.

NUMS Mock 3
Chemistry
Thermochemistry

Water in solution acts as?

Oxidation state of sulphur in H2SO4?

If products of a reaction act as a catalyst, such process is called:

NTS 2014
Chemistry
Alkyl Halides and Amines
Elimination Tool:

) Which one of the following is metalloid?

The essential property of a fertilizer is that is should be:

NUMS Mock 1
Chemistry
Environmental Chemistry

Physical and chemical properties of an element depend upon

Which of the following is a water cleaning halogen?

Valence electronic configuration Cu+2 is (29Cu)

NUMS 2019 Reconduct
Chemistry
d and f Block Elements
Elimination Tool:

Which is not a meta directing group:

NUMS Mock 1
Chemistry
Fundamental Principles of Organic Chemistry

Which of the following has the highest value of pKa?

NUMS Mock 1
Chemistry
Chemical Equilibrium

What is the nature of “hydrated tricalcium aluminate” (3 Ca. Al203. 6 H20) in the setting of cement?

In a discharge tube, at room pressure there is

Which of the following states of copper Is more stable?

Which of the following is the formula of Potassium permanganate?

Filtration process could be very time consuming if it is not aided by a gentle suction which is developed:

Free Nitrogen and Oxygen are present in atmosphere but they do not react with each other under normal conditions because:

NUMS Mock 3
Chemistry

Paramagnetic elements contain:

NTS 2019
Chemistry
d and f Block Elements
Elimination Tool:

Which of the following is branched amino acid?

Proteins also contain _____ bonding.

PMC Practice 7
Chemistry
Macromolecules
Elimination Tool:

The unit of viscosity is:

NTS 2012
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

In which of the following reaction does the C-O bond of alcohol not break?

PreMedPK MDCAT Mock 1
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

Which of the following has lowest e/m ratio?

PMC 2020
Chemistry
Atomic Structure
Elimination Tool:

Ketones undergo reaction with which compound in the presence of acid to form oximes

Acetic acid is used in curing of? b

The geometry of the complex compounds usually depends upon:

PMC 2021 Tested
Chemistry
d and f Block Elements
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:

Decrease in Oxidation number is

PMC Sample 2
Chemistry
Electrochemistry
Elimination Tool:

The process of changing a solid directly into gas upon heating is known as:

Boiling point of benzene is:

Which one of the following organic compounds have the least carbon-carbon bond length?

NUMS 2017
Chemistry
Hydrocarbons
Elimination Tool:

The products of decomposition of Mg(NO3)2are:

NUMS 2017
Chemistry
Periodicity in Elements
Elimination Tool:

Which of the following is TRUE regarding Methyl Alcohol?

PreMedPK MDCAT Mock 3
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

If a graph is plotted between pressure on x- axis and volume on y- axis for Boyle’s law verification, the curve obtained is called

PMC Sample 2
Chemistry
Thermochemistry
Elimination Tool:

Which one is not the type of Boric Acid?

When animals inhale air, oxygen will move into the lungs due to difference in partial pressure of oxygen in lungs and atmosphere. This obeys

PMC Sample 1
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Percentage of Chlorine present In bleaching powder Is:

Which of the following compounds react slower than benzene in electrophilic substitution reaction?

PreMedPK MDCAT Mock 5
Chemistry
Hydrocarbons
Elimination Tool:

Which step should be repeated over and over to get a variety of substituted products?

PreMedPK MDCAT Mock 5
Chemistry
Hydrocarbons
Elimination Tool:

Which one of the following elements has six valence electrons?

Which of the following causes suffocation?

The zone where moisture is removed and clay is broken down into Al203, Si02, Fe203 is

2 moles of octane ( C8H18) burn with 25 moles of oxygen (02) and produced __ moles of carbon dioxide along with 18 moles of water.

PMC Practice 20
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

Which type of isomerism depends on the distribution of carbon atoms on each side of the functional group?

NTS 2013
Chemistry
Hydrocarbons
Elimination Tool:

How many bonds are there in CO?

Aqueous solutions of Iodine and Sodium hydroxide were mixed in a round bottom flask at 70 C. Following chemical reaction was carried out.

3I2 + 6 NaOH -> NaIO3 + NaI + H2O
This reaction is termed as;

UHS 2019
Chemistry
Solution and Colloids
Elimination Tool:

The value of R (the gas constant) is

NTS 2019
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

The number of moles of solute dissolved per liter of solution is called:

NTS 2012
Chemistry
Solution and Colloids
Elimination Tool:

The C-H bond distance is the longest in:

NUMS 2015
Chemistry
Hydrocarbons
Elimination Tool:

Which type of isomerism depends on the distribution of carbon atoms on each side of the functional group?

PreMedPK MDCAT Mock 1
Chemistry
Hydrocarbons
Elimination Tool:

Lithium and beryllium are unique in such a way that they have higher charge densities which produce strong polarizing effects due to:

NTS 2018
Chemistry
Chemical Bonding
Elimination Tool:

Red lead is:

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

Photochemical smog is primarily caused by

ETEA 2019
Chemistry
Environmental Chemistry
Elimination Tool:

Sp hybridization is found In which of the following?

Which of the following reactions is used for the production of alcohols on industrial scale?

PreMedPK MDCAT Mock 5
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

The chemical formula of chromyl chloride gas is?

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

How will the equilibrium of the following reaction be affected if additional nitrogen is added?

N2(g) + 3H2(g)⇌ 2NH3(g)

NTS 2015 DUHS and JSMU
Chemistry
Chemical Equilibrium
Elimination Tool:

If you need to produce carbon dioxide from 12 grams of carbon, how many grams would you need?

What is used in cement manufacture?

Which of the following is NOT a “raw material” used in the Solvay process?

NTS 2016 SMBBMC
Chemistry
Macromolecules
Elimination Tool:

H2O has a higher boiling point than HF because:

NTS 2015 DUHS and JSMU
Chemistry
Chemical Bonding
Elimination Tool:

Which orbitals take part in binding of transition elements

PMC Sample 1
Chemistry
Periodicity in Elements
Elimination Tool:

Which of the following is the chemical formula of a compound indicating the relative number of atoms in the simplest ratio?

NTS 2016 SMBBMC
Chemistry
Stoichiometry
Elimination Tool:

Amino acids are prepared by?

Which of the following has the highest value of electronegativity?

PMC 2020
Chemistry
s and p Block Elements
Chemical Bonding
Elimination Tool:

By fermentation process of starch and by the catalytic enzyme, ______ is produced.

NUMS 2018
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

Periodic table is divided into groups A and 6:

Energy for the endothermic reaction is given a ____ value?

PMC Practice 1
Chemistry
Thermochemistry
Elimination Tool: