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
Which of the following statement is incorrect.
Choose an answer
An alloy is a mixture of two or more metals
An alloy is a mixture of two or more metal and non metal elements that have metallic properties
An alloy has a fixed composition
An amalgam is an alloy containing Hg
Previous
Skip
Next
Question # 2
1 nanometre =___________ cm
Choose an answer
10
-9
10
-8
10
-7
10
-6
Previous
Skip
Next
Question # 3
The oxidation number Xe in XeOF2 is
Choose an answer
0
+2
+4
+3
Previous
Skip
Next
Question # 4
Compounds formed when noble gasses get entrapped in the cavities of crystal lattices of certain organic and inorganic compounds are called.
Choose an answer
Interstitial compounds
Hydrates
Clathrates
Picrates
Previous
Skip
Next
Question # 5
Which of the following statement is not correct with respect to hydrolytic cycle.
Choose an answer
It is the major constituent of the lithosphere
it is essential requirement of all the organisms
Water covers about 83% of the earth's surface
Water covers about 73% of the ear5th's surface.
Previous
Skip
Next
Question # 6
Which of the following is not a naturally occurring dye.
Choose an answer
Indogo
Indigotin
Alizarin
Malachite green
Previous
Skip
Next
Question # 7
Monomers are Teflon is
Choose an answer
Monochloroethene
1,2- Difluoroethene
1,1,2- Trifluoroethene
Tetrafluoroethene
Previous
Skip
Next
Question # 8
Stainless steel consists of which elements.
Choose an answer
Fe only
Cr only
Fe and Ni
Fe ,Ni and Cr
Previous
Skip
Next
Question # 9
The correct order of increasing polar character is.
Choose an answer
H2O < NHE < H2S < HF
H2S < NH3 < H2O < HF
NHE < H2O < HF < H2O
HF < H2O < NH3 < H2S
Previous
Skip
Next
Question # 10
Which type of polymers the Vulcanised rubbers is.
Choose an answer
Linear
Cross jinked
Branch chain
Any one of these
Previous
Skip
Next
Question # 11
Polyamide jinkage is present in
Choose an answer
Nylon
Silk
Protein
All of these
Previous
Skip
Next
Question # 12
Which of the following is an example of molecular solids.
Choose an answer
MgO
ZnO
Ice
Graphite
Previous
Skip
Next
Question # 13
In a system of designating wrought aluminum alloys a sour digit number is used what does the first digit indicate.
Choose an answer
The purity of aluminum
The identity of the alloy
The alloy group
All of above
Previous
Skip
Next
Question # 14
The unit of sodium chloride structure is.
Choose an answer
Linear
Cubic
Tetrahedral
Square planner
Previous
Skip
Next
Question # 15
Which of the following radical is not a member of IV group.
Choose an answer
Mg
2+
Co
2+
Ni
2+
Mn
2+
Previous
Skip
Next
Question # 16
Which of the following is used to make non-stick material.
Choose an answer
Vinyl cyanide
Tetrafluoroethene
Vinyl chloride
Styrene
Previous
Skip
Next
Question # 17
Which of the following orbitals does not make sense.
Choose an answer
6f
4f
7s
2d
Previous
Skip
Next
Question # 18
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 # 19
When two bodies have equality of temperature with a 3rd body they in turn have equality of temperature with each other. This is a statement of.
Choose an answer
First law of thermodynamics
Zeroth law of thermodynamics
Second law of thermodynamics
Third law of thermodynamics
Previous
Skip
Next
Question # 20
Which of the following is not a property of Cr.
Choose an answer
it is brilliant silvery metal
it is malleable
It can take very high polish
Its surface is tarnished easily
Previous
Skip
Next
Question # 21
Beryllium shows diagonal relationship with.
Choose an answer
Mg
Al
Na
B
Previous
Skip
Next
Question # 22
Water pollution is due to
Choose an answer
Agricultural discharges
Swages and other wastes
Industrial effects
All the above
Previous
Skip
Next
Question # 23
Which of the following is an example of super octet molecules.
Choose an answer
C1F3
IF7
PCl5
All the three
Previous
Skip
Next
Question # 24
Group VA of the periodic table consist of elements.
Choose an answer
3
4
5
6
Previous
Skip
Next
Question # 25
The large increase in the rate of a reaction on rise in temperature is due to.
Choose an answer
The lowering of activation energy
The decreases in mean free path
The increase in collision frequency
The increase in the number of molecules having more than the threshold energy
Previous
Skip
Next
Question # 26
In TGA, the width loss curve depends on the which instrumental factors.
Choose an answer
Furance heating rate
Recording or chart speed
Furnace atmosphere
All
Previous
Skip
Next
Question # 27
Which of the following bonds between carbon -carbon is teh strongest.
Choose an answer
Sigma bond
Pi bond
Double bond
Triple bond
Previous
Skip
Next
Question # 28
Which of the following statement is not true in case of catalytic reforming.
Choose an answer
High temperature results in loss of reformate yield
High naphthenic stock require high space velocity
Presence of water decrease the hydrocracking activity.
None of above
Previous
Skip
Next
Question # 29
Sodium react more vigorously than lithium because.
Choose an answer
It is a metal
It has higher atomic mass
It is more electronegative
It is more electropositive
Previous
Skip
Next
Question # 30
The compound (CH3)3COH according to IUPAC is known as.
Choose an answer
Tert Butanol
2,2 -Dumethyl -Propanol
2- Methyl -2-propanol
Tert Alcohol
Previous
Skip
Next
Question # 31
Which of the following statements regarding phenols is not correct.
Choose an answer
Phenol ls are stronger acids than water and alcohols.
Phenol are weaker acids than carboxylic acids
Phenol are solubel in both aqueous NaOH and aqueous sodium hydrogen carbonate
Phenoxides ions are more stable than the corresponding phenol
Previous
Skip
Next
Back