P2O5 is Hygroscopic powder which sublimes at:

NUMS 2015
Chemistry
Periodicity in Elements
Elimination Tool:

Which one is NOT a nucleophile?

NUMS 2019 Reconduct
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

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

NUMS 2015
Chemistry
Hydrocarbons
Elimination Tool:

It is the fact that 22.414 cm3 of any gas has a different masses but the same number of

PMC Practice 27
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

Hybridization of carbon in -CHO group is:

NUMS 2019 Reconduct
Chemistry
Aldehydes and Ketones
Elimination Tool:

Point out the property which is not characteristic of alkali metal:

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

A catalyst is a substance which:

NUMS 2017
Chemistry
Reaction Kinetics
Elimination Tool:

On balancing the following chemical equation: K2CrO4, + HCI –> KCI + 2CrCI3 + Cl2 + H2O The co-efficient with HCI will be?

The variation in physical properties of a crystal due to direction is called

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

As the concentration of reactant increases, the rate of reaction also increases, it is because:

NUMS 2018
Chemistry
Reaction Kinetics
Elimination Tool:

Non-stoichiometric compounds are formed by:

NTS 2013
Chemistry
Periodicity in Elements
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:

Nitrogen has oxides:

If we take 2.2 grams of CO2, 6.02 x 1021atoms of nitrogen. and 0.03-gram atoms of sulfur, then the molar ratio of C, N, and atoms will be:

NTS 2013
Chemistry
Stoichiometry
Elimination Tool:

Common Ion effect is useful application in?

NTS 2015 SMBBMC
Chemistry
Chemical Equilibrium
Elimination Tool:

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

NUMS 2017
Chemistry
Hydrocarbons
Elimination Tool:

How many chain isomers are possible for the alkane C6H14?

NTS 2016 SMBBMC
Chemistry
Hydrocarbons
Elimination Tool:

Transfer of heat from hot surroundings to a cold refrigerator is an example of:

NUMS 2014
Chemistry
Thermochemistry
Elimination Tool:

Aluminium nitrate is not used for ai

Potassium, Rubidium, Cesium react with oxygen to form which types of oxides?

PMC 2020
Chemistry
s and p Block Elements
Elimination Tool:

Find the mass in grams of 1.69 mol of phosphoric acid.

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

Boiling point constants help us to determine:

UHS 2012
Chemistry
Solution and Colloids
Elimination Tool:

Acetylene polymerizes to make:

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

If an electron jumps from fourth to first orbit, which of the following series will it show?

Which of the following statements is NOT true for the first law of thermodynamics?

NTS 2014
Chemistry
Thermochemistry
Elimination Tool:

When alpha particles are bombarded on beryllium

If an electron makes a transition from 4th orbit to inner orbits, then the wavelength for which the radius is maximum, lies in which of the following series?

Which of the following fundamental particles have the same mass/kg?

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

Catalytic hydrogenation of alkenes exhibits:

NUMS Mock 2
Chemistry
Hydrocarbons

What type of chemical reaction is this?
CH3CHO + NH3 -> CH3CH(OH)NH2

NUMS Mock 3
Chemistry
Aldehydes and Ketones

HCOOH is the structure of:

NUMS 2018
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

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

PreMedPK MDCAT Mock 2
Chemistry
Hydrocarbons
Elimination Tool:

Which of the following carboxylic acids will be the most acidic?

NUMS 2016
Chemistry
Carboxylic Acids and its Derivatives
Elimination Tool:

Which pair has 1 electron in it’s ‘s’ orbital?

PMC 2020
Chemistry
Atomic Structure
Elimination Tool:

Which of the following has shortest C – C bond length?

A diabetic person’s exhaled breath contains propanone. A student tries to test the diabetes by asking the person to bubble the reagent with his exhaled breath. Which of the following reagents would give a positive result?

PreMedPK MDCAT Mock 5
Chemistry
Aldehydes and Ketones
Elimination Tool:

The osmotic pressure of equimolar solutions of BaCl2, NaCl and sucrose will be in the order:

NUMS 2016
Chemistry
Solution and Colloids
Elimination Tool:

For a reaction 2A + B ⇌ C + D the active mass of B is kept constant and that of A is tripled. It is observed that the rate of reaction:

NTS 2013
Chemistry
Chemical Equilibrium
Elimination Tool:

A liquid crystalline state exists between two temperatures i.e melting temperature and ____ temperature.

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

Which of the following statements is correct?

NTS 2017
Chemistry
Acids, Bases and Salts
Elimination Tool:

Alkanes having five to seventeen carbon atoms per molecule are:

NTS 2013
Chemistry
Hydrocarbons
Elimination Tool:

Ethers show the phenomenon of:

NTS 2019
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

In the reaction, 2SO2 (g) + O2 ⇌ 2SO3 (g) ∆H= +X cal most favorable conditions of temperature and pressure for a greater yield of SO2 are:

NTS 2014
Chemistry
Chemical Equilibrium
Elimination Tool:

Gas is enclosed in a container of 20 cm3 with the moving piston. According to kinetic theory of gases, what will be the effect on freely moving molecules of the gas if temperature is increased from 20 C to 100 C?

NUMS Mock 3
Chemistry
States of Matter – Gases, Liquids and Solids

Strongest acid among the following is:

NUMS Mock 3
Chemistry
Carboxylic Acids and its Derivatives

Which carbohydrate Is soluble in water?

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:

What is the correct name for this structure?

NUMS Mock 1
Chemistry
Fundamental Principles of Organic Chemistry

Which of the following alcohol does not get oxidized when it reacts with K₂Cr₂O₇/H₂SO₄?

PMC Sample 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

There is double bond in oleic acid between carbon numbers:

Which of the following gas, when ignited, burns with a blue flame and is not very soluble in water?

UHS 2018
Chemistry
s and p Block Elements
Environmental Chemistry
Elimination Tool:

Which Organic acid is used in pulping of wood for paper?

Color of Epsom salt Is

Heat evolved or absorbed in a chemical reaction does not depend upon?

NTS 2016 SMBBMC
Chemistry
Thermochemistry
Elimination Tool:

Hybridization in BeCl2 Is a

Structure of ice is similar to which of the following?

PMC Practice 6
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Which of the following gases has least concentration in air a

) Which one of the following is metalloid?

What is the effect of catalyst in a reaction?

What is the volume in cm3 of 3.01 x 10^23 molecules of O2 gas at S.T.P.?

NTS 2017
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Which one of these is/are gasses?

Fuels with higher octane number can be produced by ___________.

PMC Practice 2
Chemistry
Hydrocarbons
Elimination Tool:

Which one of these is a soluble carbohydrate:

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:

How many chain isomers can be obtained from the alkane C6H14?

NTS 2016 DUHS & JSMU
Chemistry
Fundamental Principles of Organic Chemistry
Elimination Tool:

How many chain isomers of Pentane is possible?

PMC Practice 1
Chemistry
Hydrocarbons
Elimination Tool:

Which of the following is TRUE regarding Methyl Alcohol?

NTS 2011
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

Benzene when reacted with chlorine in ultraviolet rays produces:

Order of reactivity of halogens towards alkanes is:

NUMS 2019 Reconduct
Chemistry
Alkyl Halides and Amines
Elimination Tool:

The reduction of which of the following produces Hydrofluoric acid?

Simplest aromatic aldehyde has number of hydrogen atoms.

Acetic acid is used in treatment of?

Metals belonging to the same group in the periodic table are

NUMS 2014
Chemistry
s and p Block Elements
Elimination Tool:

Which of the following is not the use of bleaching powder?

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

Either Is dangerous In which of the following states?

A solution of Sodium Sulphate was electrolyzed using platinum electrode, the products at the anode and cathode respectively are:

NUMS 2017
Chemistry
Electrochemistry
Elimination Tool:

An electron is suited midway between two parallel plates 0.5cm apart. One of the plates is maintained at a potential of 60 volts above the other. The force on the electron is (e=-1.6×10-19)

NUMS Mock 4
Physics
Electrostatics

Molecular ions are produced by passing a high energy electron beam or an x-ray beam through _______.

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

To get the carboxylic acid containing C atoms less than C atoms in parent aldehyde we do hydrolysis of:

Which of the following is a balanced redox equation?

NUMS 2020
Chemistry
Electrochemistry
Elimination Tool:

Sp hybridization is found In which of the following?

Boiling point of benzene is:

Which of the following has the highest ionization energy?

NUMS 2019 Cancelled
Chemistry
Periodicity in Elements
Elimination Tool:

In the gaseous state, the distance between the molecules is ___ times _____ than their diameters.

PMC Sample 3
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

What is the order of the following reaction:

2NO +O2 -> 2NO2

NTS 2019
Chemistry
Reaction Kinetics
Elimination Tool:

Hydrogen resembles with alkali metals in all respects except

NTS 2016 SMBBMC
Chemistry
Periodicity in Elements
Elimination Tool:

The spectrum of He is expected to be similar to that of:

NUMS Mock 4
Chemistry
Atomic Structure

Boiling point of C2H5OH is high than phenol because:

Which of following is an example of electrophilic attack on alcohols?

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