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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 Iron

B Cobalt

C Chromium

D Manganese

A Fluorine

B Chlorine

C Iodine

D Bromine

A White

B Redox potential

C Black

D Violet

A KCI

B NaCI

C KCI MgCl2 6H2O

D Na2CO3. 10H2O

A s-1

B mol dm-3 s-1

C mol-1 dm3 s-1

D mol-2 dm6 s-1

A Silver oxide battery

B Fuel cell

C Nickel cadmium cell

D Lead accumulator

A 5.85% NaCl Solution

B 18.0 % glucose solution

C 6.0 % urea solution

D All have same boiling point

A 2.0 x 10-10 mol dm-3

B 1.414 x 10-5 mol dm-3

C 1.0 x 10-10 mol dm-3

D 1.0 x 10-5 mol dm-3

A qp = qv

B qp < qv

C qp > qv

D qp = qv / 2

A O2+2

B N2-2

C B2

D O2-2

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The most paramagnetic element is____________________?

Which molecule has the highest bond energy among the halogens_________________?

The most reactive allotropic form of phosphorus is________________?

Which is carnalite________________?

Which is the unit of (K) rate constant for zero order reaction ?

Which of the following can be used in laptops ?

Which of the following solution has the highest boiling point ?

Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?

For a given process the heat changes at constant pressure (qp) and at constant volume (qv) are related to each other as___________________?

Which specie has unpaired electrons in antibonding molecular orbitals_______________?