More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
PPSC Chemistry Full Book Test MCQs With Answers
Question # 1
Linear molecules have ____________ axis of rotation
Choose an answer
C1
C2
C
C3
Previous
Skip
Next
Question # 2
Which of the following statements is not a part of Bohr's theory of the hydrogen atom.
Choose an answer
An electron in an atom revolves aroung the nucleus only in circular paths.
An electron does not absorb energy in the stationary orbit
An electron does not emit energy in the stationary orbit
Energy is emitted or absorbed in a discrete amount from the stationary orbit
Previous
Skip
Next
Question # 3
D(+) glyceraldebydes has the absolute configurtion.
Choose an answer
E-
S-
E-
Z-
Previous
Skip
Next
Question # 4
Coordination compound show
Choose an answer
Structural isomerism
Stereo isomerism
Both A and B
None of above
Previous
Skip
Next
Question # 5
TLC belongs to which of the following chromatographic techniques.
Choose an answer
Ion exchange
Partities chromatography
Adsorption chromatography
Gel permeation
Previous
Skip
Next
Question # 6
In the Mendeleev's periodic table elements are arranged in the increasing order of their .
Choose an answer
Numbers of neutrone.
Atomic number
Atomic mass
Atomic volume
Previous
Skip
Next
Question # 7
Which of the following is not a true characteristics of a catalytic reaction.
Choose an answer
The amount and chemical composition of the catalyst remains unchanged after the reaction
The catalyst does not intiate a chemical reaction
The reaction in which product also act as catalysis are called autocratically reactions.
The catalyst shifts the equilibrium position of a reaction in a favorable direction
Previous
Skip
Next
Question # 8
Fluorine form Fluorides reacting with
Choose an answer
Metals
Non metals
Metalloide
Any of above
Previous
Skip
Next
Question # 9
The forces which holds the atoms together in a molecule is called
Choose an answer
Ionic bond
Covalent bond
Co ordinate bond
Chemical bond
Previous
Skip
Next
Question # 10
Which of the following technique is based on the absorption of light radiation.
Choose an answer
Spectrophotomerty
Colorimetry
NMR
All the above technique
Previous
Skip
Next
Question # 11
Which one of the following is not formed when an electric discharge passes through helium.
Choose an answer
HeH+
HeH2+
He2+
He2-
Previous
Skip
Next
Question # 12
Which of the following steps in involved in the metallurgy of aluminium.
Choose an answer
Purification of bauxite
Electrolytic reduction of alumina
Refining of aluminum
All above
Previous
Skip
Next
Question # 13
The pKa of acetic acid is 4.74 which implies that.
Choose an answer
pH of 1N solution is 4.74
At pH 4.74 the dissociation of acetic acid is maximum
At pH 4.74 half of the acetic acid molecules are dissociated in the solution.
At pH 4.74 the dissociation of acetic acid is minimum.
Previous
Skip
Next
Question # 14
When FeSO4 is added in the sodium extract the compound formed is.
Choose an answer
Only Na4[Fe (CN)6]
Only Fe (OH)2
Only Na2So4
Mixture of all these
Previous
Skip
Next
Question # 15
What does 'F' stand for in AFM.
Choose an answer
Fine
Front
Force
Flux
Previous
Skip
Next
Question # 16
The main constituents of ___________ are boron oxide and silica.
Choose an answer
Pyrex glass
Low silica glass
Soda lime glass
Super hard glass
Previous
Skip
Next
Question # 17
The fraction of the total current carried to an ion is called itss.
Choose an answer
Ionic mobility
Transport number
Limiting ionic conductance
None of these
Previous
Skip
Next
Question # 18
The plate height is the length of the column divide by
Choose an answer
Length of the column
Width of the column
Number of theoretical plates
Number of components of the mixture.
Previous
Skip
Next
Question # 19
The normality of 2.3 M H2SO4 solution is.
Choose an answer
0.46 N
0.23 N
2.3 N
4.6 N
Previous
Skip
Next
Question # 20
Complete hydrolysis of nucleotide result in the formation of.
Choose an answer
Heterocyclic bases
A pentose
A phosphate ion
All of these
Previous
Skip
Next
Question # 21
Which of the following is a natural polymer
Choose an answer
Nylon
Leucite
Cellulose
Polystyrene
Previous
Skip
Next
Question # 22
The common host compound for the formation of inclusion compound is.
Choose an answer
Urea
Thiourea
Cholic acid
All above
Previous
Skip
Next
Question # 23
The oxidation Number of I in HIO4 is.
Choose an answer
+6
+ 7
+ 3
+ 14
Previous
Skip
Next
Question # 24
Glass industry requires soda ash with
Choose an answer
Solids density 1.91 and bulk density 1.0
Solids density 1.86 and bulk density 0.6
Solid density 1.80 and bulk density 0.58
All of above
Previous
Skip
Next
Question # 25
Anhydrous AlCl3 cannot be obtained by heating hydrated AlOI3 ,6h2o Because.
Choose an answer
It decomposes completely to give Al2O3
It does not lose water completely
It undergoes hydrolysis to give Al(OH)3
AlCl3 .6H2O is very stable.
Previous
Skip
Next
Question # 26
The ionization potential of K would be numerically equal to.
Choose an answer
Electron affinity of Ar
Electromagnetically of K
Electron affinity of K+
ionization energy of Ca
Previous
Skip
Next
Question # 27
In compressive strength of a nanotube ______ its tensile strength.
Choose an answer
I less than
Is greater than
Is equal to
Less than or equal to.
Previous
Skip
Next
Question # 28
Zinc oxide is.
Choose an answer
A basic oxide
An amphoteric oxide
An acidic oxide
A neutral oxide
Previous
Skip
Next
Question # 29
All steroids on heating wish solenium give
Choose an answer
phenanthrene
Cholesterol
Diels hydrocarbon
Isoprene
Previous
Skip
Next
Question # 30
The colour imparted by lithium to the flame is.
Choose an answer
Golden yellow
Grasay green
Violet
Red
Previous
Skip
Next
Question # 31
The expected specific waste fo petroleum industry is.
Choose an answer
Asphalt and tars
Paper
Cloth
Fibre
Previous
Skip
Next
Back