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Chemistry

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1511 MCQs

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oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

A n=3 l=2

B n=3 l=0

C n=3 l=1

D n=3 l=3

A Molecules of water in liquid state

B Atoms of helium in gaseous state at high temperature

C Molecules of hydrogen chloride gas

D Molecules of solid iodine

A Ionic crystal

B Covalent crystal

C Molecular crystal

D Any type of crystal

A one / seventeen

B sixteen / seventeen

C one / three

D two / three

A Sublimation

B Crystallisation

C Solvent extraction

D Distillation

A Nature of reactants

B Nature of crucible

C Nature of product

D Nature of precipitate

A 50% KOH

B Lime water

C CaCl2

D Mg (CIO4)2

A F – Cl – Br

B Li+1 – Na+1 – K+1

C F – Ne – Na+

D H+ – H- – H

A 22.4 dm3

B 2.24 dm3

C 1.12 cm3

D 1.12 dm3

A Ethylene iodide

B Ethylene bromide

C Ethylene chloride

D Ethylene fluoride

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Quantum number values for 3p orbitals are____________________?

Only London dispersion forces are present among the_________________?

The molecules of CO2 in dry ice form__________________?

Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?

A method of separation of components from its solution using Distribution law is ___________________?

The type of filtering media used for filtration depending upon____________________?

Water absorber used in combustion analysis is___________________?

Which of the following set has all species isoelectronic__________________?

The volume occupied by 1.4g CO at S.T.P is___________________?

The compound which is added to leaded gasoline to save engine from lead oxide and lead sulphate deposits is__________________?