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 stationary and mobile phases in paper chromatography are.
Choose an answer
Liquid/Liquid
Solid /Liquid
Liquid/Solid
Gas/solid
Previous
Skip
Next
Question # 2
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 # 3
Ozone filters out radiation below.
Choose an answer
o
1000 A
o
2000 A
o
3000 A
o
4000 A
Previous
Skip
Next
Question # 4
Which of the following is not strong electrolytes.
Choose an answer
HCl
H2SO4
HNO3
CH3COOH
Previous
Skip
Next
Question # 5
In second group of inorganic qualitative analysis, the S
2-
ions does not form precipitate with which of the following ions.
Choose an answer
Hg2+
Cu
2+
Ai
3+
Cd
3+
Previous
Skip
Next
Question # 6
Which parameter of a chemical reaction will change with the use of a catalyst.
Choose an answer
Delta F, change in free energy
Delta S, change in entropy
Delta E , change in internal energy
K, the rate constant
Previous
Skip
Next
Question # 7
Which substance has the greatest lattice energy.
Choose an answer
CuBr
MgO
KI
NaF
Previous
Skip
Next
Question # 8
The link between classical thermodynamics and quantum mechanics is prevented by
Choose an answer
Statiatical mechanics
Boltzmann law
Wave mechanics
Matrix mechanics
Previous
Skip
Next
Question # 9
Which of the following iso -electronic ion would require least energy for the removal of electron.
Choose an answer
Ca2+
Cl-
Ar-
K+
Previous
Skip
Next
Question # 10
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 # 11
Copper occurs in nature as.
Choose an answer
Native
Combined
Both native and combined
None of the above
Previous
Skip
Next
Question # 12
Which of the following elements has the highest density.
Choose an answer
Mg
Na
K
Rb
Previous
Skip
Next
Question # 13
Stable metal ions strictures are.
Choose an answer
Noble gas structure
Is electron group structure
Transition metal in structure
All of the above
Previous
Skip
Next
Question # 14
Which of the following is capable of forming zwitter ion.
Choose an answer
Amino acids
Halo acids
Hydroxy acids
All of these
Previous
Skip
Next
Question # 15
When borax is strongly hented, it gives
Choose an answer
B2O4
Na2B4O7
NaBO2
NaBO2 + B2O3
Previous
Skip
Next
Question # 16
The correct order of ionization energies of alkali metals is.
Choose an answer
Li > Na > K > Rb
Na > K > Rb > Li
Rb > K > Na > Li
Rb > K > Li > Na
Previous
Skip
Next
Question # 17
Which of the following acids acts as acid waste from coal mines.
Choose an answer
HCl
HNO3
CH3COOH
H3PO4
Previous
Skip
Next
Question # 18
Which of the following statement is correct.
Choose an answer
The wavelength of phosphorescence is less than the wavelength absorbed
Teh transition from T
1
to S
0
without the emission of light is called phosphorescence
The combination CO2 and water in plants, in the presence of chlorophyll, is an example of bioluminescence.
Population inversion is a necessary condition for laser action
Previous
Skip
Next
Question # 19
Which of the following is not an adsorption indicator.
Choose an answer
Eosin
Bromocrsol green
Fluorescein
Phenolphthalein
Previous
Skip
Next
Question # 20
Which of the following is strong adheaive.
Choose an answer
Epoxy resin
Melamine -formadehyde resin
Alkyd resins
Bakelite
Previous
Skip
Next
Question # 21
An example of cyclic polyterpenoid is
Choose an answer
Myrcene
Alcoholic
Synthetic rubber
Natural rubber
Previous
Skip
Next
Question # 22
Which of the following is not an androgen i.e. male sex hormones.
Choose an answer
Androsterone
Testosterone
Oestrone
All of these are make hormone
Previous
Skip
Next
Question # 23
An explosive
Choose an answer
Nitroglycerine
Trinitrotoluene
Fluorine perchlorate
All above
Previous
Skip
Next
Question # 24
The rays emitted by the cathode in a gas discharge tube under low pressure and high voltage of electricity are called cathode rays. Which of the following properties are not related to cathode rays.
Choose an answer
These travel in a straight lines.
These are deflected by magnetic and electric field.
Minerals Fluoreace with a characteristic color when placed in a beam of cathode rays.
These are dependent of the material used for the electrode.
Previous
Skip
Next
Question # 25
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 # 26
Which of the following statements is not correct. with respect to resonance.
Choose an answer
The position of atomic nuclei mus be same
The limiting structures must have same number of paired and unpaired electrons.
The energy of the various limiting structures must contribute equally
All above
Previous
Skip
Next
Question # 27
The common host compound for the formation of inclusion compound is.
Choose an answer
Urea
Thiourea
Cholic acid
All above
Previous
Skip
Next
Question # 28
Reacts violently with water
Choose an answer
AlH3
AlCl3
Lia IH4
Al2Cl6
Previous
Skip
Next
Question # 29
The equilibrium constants Kp and Kc are related as
Choose an answer
Kp = Kx Pdelta n
K p= Ks/P delta n
Ks = Kp (RT)delta n
Kx = Kp (P/RT) delta n
Previous
Skip
Next
Question # 30
Acute toxicity is expressed by the term
Choose an answer
LD50
IC50
I 1/2
Mean life
Previous
Skip
Next
Question # 31
A molecule the cannot be susperimposed on its mirror image is said to exhibit which of the following.
Choose an answer
Geometrical isomerism
Optical isomerism
Linkage isomerism
Reactive isomerism
Previous
Skip
Next
Back