Chemistry MCQS

Chemistry Mcqs for Test Preparation from Basic to Advance. Chemistry Mcqs are from the different sections of Chemistry Subject. Here you will find Mcqs of Chemistry from Basic to Advance. Which will help you to get higher marks in Chemistry portion of test. These Mcqs are useful for students and job seekers i.e MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test, SPSC Test, KPPSC Test,BPSC Test, PTS ,OTS,GTS,JTS,CTS.

What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?

A. 6
B. 4
C. 3
D. 2

Which catalyst is used in contact process ?

A. Fe2O3
B. V2O5
C. SO3
D. Ag2O

Which of the following elements has greater 1st ionization energy__________________?

A. B
B. C
C. N
D. O

Which of the following molecule is polar__________________?

B. CO2
C. BF3
D. none of the above

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

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

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

A. 4.0 x 10-8
B. 3.2 x 10-11
C. 2.0 x 10-8
D. 4.0 x 10-12

The unit of molality is__________________?

A. moles dm-3
B. moles kg-1
C. gram dm-3
D. none

A solution can be both____________________?

A. dilute and concentrated
B. dilute and saturated
C. saturated and unsaturated
D. saturated and super saturated

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

A. 6
B. 8
C. 10
D. 4

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

A. Pd
B. Ni
C. Sn
D. All of the above

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