106 gram of Na2CO3 per dm3 of the solution of Na2CO3 in water, the concentration of the solution will be:

NTS 2018
Chemistry
Stoichiometry
Elimination Tool:

Au3+ has __________ configuration.

PMC Practice 5
Chemistry
d and f Block Elements
Elimination Tool:

2 gasses at SIP, with equal volume and equal pressure will have same a

Formaldehyde is Industrially Prepared from: 

When Grignard reagent reacts with 1120, which of the following is formed

Glucose(C6H12O6) is the most important nutrient in a cell for generating chemical potential energy, what is the mass percent of carbon in 1.5g of sample?

PMC Practice 24
Chemistry
Introduction to Fundamental Concepts of Chemistry
Elimination Tool:

Anything under test or observation in laboratory is called

PMC Sample 2
Chemistry
Thermochemistry
Elimination Tool:

CH3Cl + Cl2 —-> CH2Cl2 + HCl is an example of ?

NTS 2015 SMBBMC
Chemistry
Electrochemistry
Elimination Tool:

Which of the following has the highest value of pKa?

NUMS Mock 1
Chemistry
Chemical Equilibrium

A residue is obtained In which of the following methods?

The strength of an acid depends on?

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

One Calorie is equal to:

PMC 2020
Chemistry
Thermochemistry
Elimination Tool:

Which one of the following has the lowest % ionic character?

NTS 2016 DUHS & JSMU
Chemistry
Chemical Bonding
Elimination Tool:

Blue litmus turns red in a solution of PH

NUMS 2014
Chemistry
Acids, Bases and Salts
Elimination Tool:

Which one substance is used to remove both H2S and carbon dioxide from biogas?

Which one is not true for H2SO4?

NTS 2012
Chemistry
Macromolecules
Elimination Tool:

By heating 25g of limestone (CaCO3) , the weight of carbon dioxide produced is

NTS 2011
Chemistry
s and p Block Elements
Elimination Tool:

How many chain isomers are shown by C5H12?

PreMedPK MDCAT Mock 4
Chemistry
Hydrocarbons
Elimination Tool:

Current in electrolysis is carried through:

PMC Sample 3
Chemistry
Electrochemistry
Elimination Tool:

The formula of “rock salt” is:

NTS 2012
Chemistry
Environmental Chemistry
Elimination Tool:

The correct order of decreasing solubility of AgCI In A) Water B) 0.1 M NaCi C) 0.1 BaCl2 D) 0.1M NI-43
is?

The actual volume of gas molecules is considered negligible at following pressures:

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

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

NTS 2014
Chemistry
Thermochemistry
Elimination Tool:

In those reactions where determination of enthalpy value is difficult by experiments, in such cases enthalpy value can be calculated by:

NTS 2014
Chemistry
Thermochemistry
Elimination Tool:

Enzymes speed up the reaction upto:

PMC Practice 3
Chemistry
Macromolecules
Elimination Tool:

The amount of energy associated with quantum of radiation is directly proportional to:

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

For Alkali Metals, decrease in the ionization potential is because of the increasing:

Maximum ionization potential is of:

NUMS 2014
Chemistry
Periodicity in Elements
Elimination Tool:

Higher Transition elements are:

IUPAC name for [Pt Cl Br (NO2) (NH3)3] Cl is:

NUMS 2015
Chemistry
d and f Block Elements
Elimination Tool:

Polymer having a characteristics odour and mostly used as an adhesive material is

Scandium, Sc, is the first of the 3d blocks of elements in the Periodic table.

Which properties of Sc approve the above fact?

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

Which of the following substances has giant covalent structure?

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

Which of the following does not have an inert gas configuration?

NUMS 2015
Chemistry
Atomic Structure
Elimination Tool:

Chemical formula of Malonic acid: b) CEI-11206
a) C3H804

Which is the structure of polyvinyl chloride (polychloroethane)?

UHS 2018
Chemistry
Macromolecules
Elimination Tool:

The heat of a reaction can be calculated by using:

NTS 2010
Chemistry
Thermochemistry
Elimination Tool:

Glass is a/an:

NTS 2014
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Chemical formula of Malonic acid:

Acetylene polymerizes to make:

PMC Sample 3
Chemistry
Hydrocarbons
Elimination Tool:

If we balanced the following reaction , what is the net ionic charge on the right side of the equation?

__H+ +___ MnO4- + ____ Fe2+ →___ Mn2+ + ___ Fe3+ + ___ H2O

NUMS Mock 4
Chemistry
Electrochemistry

In period, moving from left to right

Both a and c What is the oxidation number of S in SO2^(-2)?

Which of the following hybrid orbitals has maximum “s” character?

PMC 2020
Chemistry
Chemical Bonding
Elimination Tool:

Boyle’s law is stated as:”The product of pressure and volume of a fixed amount of gas at constant temperature is a _____ quantity

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

Which of the following Is the smallest unit?

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

Which orbitals take part in binding of transition elements

PMC Sample 1
Chemistry
Periodicity in Elements
Elimination Tool:

A student mixed ethyl alcohol with a small amount of sodium dichromate and added it to the hot solution of dilute sulphuric acid. A vigorous reaction took place. He distilled the product formed immediately. What was the product?

PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:

Electronic configuration of chromium (Proton number 24) is:

PMC 2020
Chemistry
d and f Block Elements
Elimination Tool:

The compound with more than 10% solubility in pure water is:

ETEA 2018
Chemistry
Solution and Colloids
Elimination Tool:

Which of the following shows the Planck’s quantum theory?

NUMS Mock 3
Chemistry
Atomic Structure

Which of the following esters give a Jasmine Flavour?

PreMedPK MDCAT Mock 2
Chemistry
Alcohols, Phenols and Ethers
Elimination Tool:

In an adiabatic process:

NUMS 2016
Chemistry
Thermochemistry
Elimination Tool:

What is the chemical name of SANDUR?

Which of the following transition metals in its ground state have unpaired electrons in an s-orbital?

NUMS 2015
Chemistry
d and f Block Elements
Elimination Tool:

Human blood maintains its pH between

UHS 2016
Chemistry
Solution and Colloids
Elimination Tool:

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

NUMS Mock 4
Chemistry
s and p Block Elements
Environmental Chemistry

Non-stoichiometric compounds are formed by:

NTS 2013
Chemistry
Periodicity in Elements
Elimination Tool:

– ROR is the nucleophile of

NTS 2011
Chemistry
Aldehydes and Ketones
Elimination Tool:

Consider the following reaction:

R―CHO + 2[Ag(NH3)2]OH → R―COONH4 + 2Ag + 2NH3 + H2O This reaction represents one of the following tests.

PreMedPK MDCAT Mock 1
Chemistry
Aldehydes and Ketones
Elimination Tool:

Burning of fuel is a

An ester is prepared by the reaction of:

NUMS Mock 4
Chemistry
Carboxylic Acids and its Derivatives

A certain radioactive isotope has a half-life of 50 days. Fraction of the material left behind after 100 days will be:

NUMS Mock 2
Chemistry
Analytical Chemistry

What is the catalyst used in the Haber process?

H₂ + N₂ ⟶ NH₃

PMC 2021 Tested
Chemistry
Industrial Chemistry
Elimination Tool:

The following changes to the system at equilibrium have no effect on Kc except:

NUMS Mock 4
Chemistry
Chemical Equilibrium

) Aluminium is agent?

GN lewis described which one of the following bonds?

NTS 2015 SMBBMC
Chemistry
Chemical Bonding
Elimination Tool:

Generic formula of cycloalkane is:

PMC 2020
Chemistry
Hydrocarbons
Elimination Tool:

Which statement about liquids is not correct?

Unpaired electron trend of transition elements:

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

Which element of 5th group doesn’t have unpaired valence electrons in d-sub shell?

6th period of periodic table contains elements:

The color of transition metal complexes is due to transition of electrons between:

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

A catalyst increases the rate of reaction by:

NTS 2019
Chemistry
Thermochemistry
Elimination Tool:

The type of isomerism in which the position of functional group changes is called?

Meta-formaldehyde molecule has Oxygen MOMS:

Vapor pressure of a liquid depends upon

Stronger the oxidizing agent, higher is the:

NUMS 2019 Reconduct
Chemistry
Electrochemistry
Elimination Tool:

Vithich of the following Alkyl Halide is least reactive?

Which of the following orbital will be filled first than 4p?

NUMS 2020
Chemistry
Atomic Structure
Elimination Tool:

The rate of diffusion of liquids is ________ than gases.

PMC Practice 5
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

Acetic acid is used in curing of? b

Which of the following has the highest ionization energy?

NUMS 2019 Cancelled
Chemistry
Periodicity in Elements
Elimination Tool:

Copper is a typical transition metal. Its atomic number is 29. In which oxidation state does it have a partially filled orbital in d-subshell?

NUMS Mock 2
Chemistry
d and f Block Elements

“In an atom no two electrons can have the some set of four Quantum numbers” is stated by:

NTS 2013
Chemistry
Atomic Structure
Elimination Tool:

If the absolute temperature of a gas is reduced to one half and the pressure is doubled, the volume of gas will be:

NUMS 2018
Chemistry
States of Matter – Gases, Liquids and Solids
Elimination Tool:

In the addition of sodium bisulfite to carbonyl system, which of the following is a nucleophile?

PreMedPK MDCAT Mock 3
Chemistry
Aldehydes and Ketones
Elimination Tool:

For a single step reaction A ->B + 2C, the rate law is:

NUMS 2017
Chemistry
Reaction Kinetics
Elimination Tool:

In depression of freezing point, freezing constant Is divided by

The process in which electric current is used to carry out a non-spontaneous redox reaction is called:

NTS 2017
Chemistry
Electrochemistry
Elimination Tool:

d-block elements are present _____________ in the periodic table ?

PMC Sample 3
Chemistry
d and f Block Elements
Elimination Tool: