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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 1.008 mg

B 0.184 mg

C 0.054 mg

D 5.4 mg

A arsenic

B uranium

C iodine

D nickel

A relative atomic mass

B mass number

C atomic weight

D relative isotopic mass

A Atomicity

B Shape of molecule

C Both A and B

D Difficult to predict

A volume of particles

B number of particles

C mass of particles

D All of the above

A Gas

B Liquid

C Volatile solid

D All

A Uni-negative

B Uni-positive

C Di-negative

D Di-positive

A Same number of neutrons

B Same mass number

C Same physical properties

D Same chemical properties

A High energy electron beam

B ? – particle

C X-rays

D All of the above

A H+ H H-

B Li+ Na+ K+

C C1- Br- I

D F- Ne Na+

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The mass of decimole of electrons (NA) is___________________?

Which one of the following is not the mono isotopic element ?

Which of the following terms is used for the mass of chlorine 35.5 ?

Size of molecule depends upon________________?

Avogadros number may represent_________________?

The sample of isotopes of an element which needs not to be vaporized in the vaporization chamer_________________?

Which of the following ion formation is always exothermic ?

Which one is true about isotope ?

Molecular ions are formed by passing______________________?

Which of the following are isoelectronic species ?