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.

Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?

A. one / seventeen
B. sixteen / seventeen
C. one / three
D. two / three

The molecules of CO2 in dry ice form__________________?

A. Ionic crystal
B. Covalent crystal
C. Molecular crystal
D. Any type of crystal

Only London dispersion forces are present among the_________________?

A. Molecules of water in liquid state
B. Atoms of helium in gaseous state at high temperature
C. Molecules of hydrogen chloride gas
D. Molecules of solid iodine

Quantum number values for 3p orbitals are____________________?

A. n=3 l=2
B. n=3 l=0
C. n=3 l=1
D. n=3 l=3

Which specie has unpaired electrons in antibonding molecular orbitals_______________?

A. O2+2
B. N2-2
C. B2
D. O2-2

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

A. qp = qv
B. qp < qv
C. qp > qv
D. qp = qv / 2

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

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

Which of the following solution has the highest boiling point ?

A. 5.85% NaCl Solution
B. 18.0 % glucose solution
C. 6.0 % urea solution
D. All have same boiling point

Which of the following can be used in laptops ?

A. Silver oxide battery
B. Fuel cell
C. Nickel cadmium cell
D. Lead accumulator

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

A. s-1
B. mol dm-3 s-1
C. mol-1 dm3 s-1
D. mol-2 dm6 s-1

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