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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 Aluminium

B Sodium

C Carbon

D Sulphur

A H2SO4

B HNO3

C both A and B

D none of the above

A First order reaction

B Second order reaction

C Zero order reaction

D Third order reaction

A Pd

B Ni

C Sn

D All of the above

A 6

B 8

C 10

D 4

A dilute and concentrated

B dilute and saturated

C saturated and unsaturated

D saturated and super saturated

A moles dm-3

B moles kg-1

C gram dm-3

D none

A 4.0 x 10-8

B 3.2 x 10-11

C 2.0 x 10-8

D 4.0 x 10-12

A Kc is constant at given temperature

B Kc is unaffected by change in concentration of reactants or products

C Kc indicates the extent of reaction but not about the rate of reaction.

D All of the above

A CCI4

B CO2

C BF3

D none of the above

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Which of the following elements conduct electricity and also melts below 100°C ?

Acid present in acid rain may be_________________?

The unit of the rate constant (k) is same as that of rate of reaction________________?

Which of the following elements react with steam to produce H2 gas?

Consider the following redox reaction. Zn+dil HNO3? Zn (NO3)2 + N2O + H2O The coefficient number of HNO3 in the equation is__________________?

A solution can be both____________________?

The unit of molality is__________________?

Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?

Which of the following points are important in connection with equilibrium constant ?

Which of the following molecule is polar__________________?