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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 a solvent

B an anti freezing agent

C a substitute for petrol

D for denaturing of ethyl alcohol

A pressure

B volume

C moles

D density

A 5

B 4

C 3

D 2

A 0.5

B 1

C 1.5

D 2

A neutrons

B protons and electrons

C protons

D protons and neutrons

A Combustion method

B Dumas method

C Kjeldahls method

D All of the above methods are for different purposes

A properties which depend upon mass

B arrangement of electrons in orbitals

C chemical properties

D all of the above

A Empirical formula

B Molecular mass

C Molecular formula

D Formula mass

A identification of elements

B estimation of amounts of elements

C molar ration of elements

D molar volume of elements

A they possess different mass number

B they possess different physical properties

C they possess same chemical properties

D they possess different position in the periodic table

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Methyl alcohol is not used as___________________?

All the following variables are used to describle gases except__________________?

Dempsters mass spectrometer has number of zones / parts_________________?

When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?

The nucleus of an atom of every element will always contain____________________?

Which of the following methods is used to estimate hydrogen in an organic compound ?

Isotopes differ in_________________?

Combustion analysis is performed to determine__________________?

Qualitative analysis is carried out for _________________?

Which of the following statements is wrong about isotopes ?