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
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 # 2
Which of the following is most soluble in water
Choose an answer
CaSO4
Sr SO4
MgSO4
BaSO4
Previous
Skip
Next
Question # 3
Arrange the hydrides of group 15 in the correct order of reducing nature.
Choose an answer
NH3 < PH3 < AsH3 < Sb H3 < BiH3
NH3 > PH3 >AsH3 >Sb H3 > BiH3
PH3 < AsH3 < SbH3 < BiH3 < NH3
PH3 > AsH3 > SbH3 > BiH3 > NH3
Previous
Skip
Next
Question # 4
According to the Langumir isotherm , when the pressure of the gas is very large, the adsorption.
Choose an answer
Is directly proportional to pressure
Is inversely proportional to pressure
Is directly proportional to the square of the pressure.
Is independent of pressure
Previous
Skip
Next
Question # 5
Which of the following fuel is used in flame photometry.
Choose an answer
Hydrogen gas
Acetylene gas
Methane
Propane
All above
Previous
Skip
Next
Question # 6
Is a chain silicate
Choose an answer
Olivine
Tremolite
Beryl
Zeolite
Previous
Skip
Next
Question # 7
SO3 exists in form
Choose an answer
a -so3
b-SO3
gama SO3
All above
Previous
Skip
Next
Question # 8
Among the elements A, B,C and D having atomic numbers 7,8,9 AND 12 Respectively, the element with smallest size and highest IE is.
Choose an answer
A
B
C
D
Previous
Skip
Next
Question # 9
Which element out of the following can ehibit a maximum con valency of seven.
Choose an answer
Chlorine
Sulphur
Fluorine
both Cl and F
Previous
Skip
Next
Question # 10
Which of the following trace elements may be present in the particulate materials.
Choose an answer
Cadmium
Nickel
Mercury
Lead
All of the above
Previous
Skip
Next
Question # 11
Which of the following pollutant result from combustion of fossil fuels.
Choose an answer
SO2
NOx
CO
All above
Previous
Skip
Next
Question # 12
The pH of water 7 at 25
o
C if water is heated to 70
o
C . Which of the following should be true.
Choose an answer
pH will decrees
pH will increase
pH will remain constant
None of these
Previous
Skip
Next
Question # 13
The energy gap between tag and eg sets in denoted by
Choose an answer
A-
10 Dq
Both A and B
None of above
Previous
Skip
Next
Question # 14
Oxygen and sulphur exist in state
Choose an answer
Free
Combined
Both free & combined
None of above
Previous
Skip
Next
Question # 15
The IUPAC name of ethylene oxide is.
Choose an answer
Epoxy methane
Oxcethene
Methoxymethane
All of the above
Previous
Skip
Next
Question # 16
Which among the following is a false statement.
Choose an answer
SiO2 has a structure similar to that of CO2
Natural Si exists only in the combined state
Si can be prepared by reducing SiO2 with Mg
Si does not exist in graphite like structure, but exists only ni diamond like structure.
Previous
Skip
Next
Question # 17
The polarity of bonds can lead to polarity of molecules and affect
Choose an answer
Melting point
Boiling point
Solubility
All of above
Previous
Skip
Next
Question # 18
Which element amongst the following has the highest boiling point.
Choose an answer
Na
Mg
Ca
K
Previous
Skip
Next
Question # 19
The alternate feasible fuel for existence of mankind to
Choose an answer
Uranium
Wood
Bontonite
Cloth residues
Previous
Skip
Next
Question # 20
Which of the following group will have hyper conjugation effect when attached to benzene.
Choose an answer
------ CH3
----C6H5
------C(CH3)3
---------CH(CH3)2
Previous
Skip
Next
Question # 21
Which of the following compounds shows optical activity
Choose an answer
Lactic acid
Maltose
Glucose
All above
Previous
Skip
Next
Question # 22
The Schrodinger equation when solved for any system gives.
Choose an answer
The mean force path
The Polarizability
The energy function
The wave function
Previous
Skip
Next
Question # 23
Noble gases are sparingly soluble in water owing to.
Choose an answer
Dipole -dipole interactions
Dipole -induced dipole interactions
Hydrogen bonding
Induced dipole -instantaneous dipole interactions
Previous
Skip
Next
Question # 24
Which of the following carbides reacts with H2O to form propane.
Choose an answer
Al4C3
CaC2
SiC2
Sic
Previous
Skip
Next
Question # 25
Aluminium is used for.
Choose an answer
Making ultensile & framea
Making alloys
Reducing agent
All above
Previous
Skip
Next
Question # 26
Which of the following is branch chain polymer.
Choose an answer
Glycogen
Terylene
PVC
Orlen
Previous
Skip
Next
Question # 27
Duralumin is an alloy of.
Choose an answer
Mg + AI
Ai+ Mg+Mn
Mg + Ai + Cu
Mg + Ai + Cu + Mn
Previous
Skip
Next
Question # 28
Temporary hard water is softened on industrial scale by adding.
Choose an answer
Mg(OH)2
Ca(OH)2
KOH
NaOH
Previous
Skip
Next
Question # 29
The electronic configuration of some elements are given below. The element with highest electron affinity is
Choose an answer
1s2, 2s2, 2p3
1s2, 2s2, 2p4
1s2, 2s2, 2p5
1s2, 2s2, 2p6
Previous
Skip
Next
Question # 30
Which of the following statement is not related with high quantum yield reasons.
Choose an answer
Formation of reactive intermediates which may act as catalyst
The active molecules may collide with other molecules and activates these molecules.
The reaction may be exothermic and heat evolve may activate other molecule
The primary photo chemical process may be reversed
Previous
Skip
Next
Question # 31
The most common oxidation state of alkaline earth metals is.
Choose an answer
+1
+2
-2
-1
Previous
Skip
Next
Back