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
Vitamin which contains cobalt is.
Choose an answer
Vitamin B1
Vitamin B2
Vitamin B6
Vitamin B12
Previous
Skip
Next
Question # 2
In which of the following species the bonds are non directional.
Choose an answer
NCl3
RbCl
BeCl2
BCl3
Previous
Skip
Next
Question # 3
Which of the following statements is false about transition metals.
Choose an answer
They form complexes
They show variable valency
All transition metal compounds are paramagnetic
They form coloured ions
Previous
Skip
Next
Question # 4
Which of the following is a mode of controlling pollution in big cities.
Choose an answer
Cleanliness and less use of insecticides
Proper disposal of organic wastes, sewage and industrial effluents
Broader roads and shifting of factories out of the residential areas
All of above
Previous
Skip
Next
Question # 5
Any substance which has solidified from the liquid state with crystallization is known as
Choose an answer
Steel
Fibre
Glass
Asbestos
Previous
Skip
Next
Question # 6
The Langmuir adsorption iso therrn shows that the amount of adsorbed gas per gram of the solid is equal to.
Choose an answer
ap/1+bp
ap+1/1-bp
1+ap/1-bp
a(1+bp)
Previous
Skip
Next
Question # 7
Enzymes are
Choose an answer
Complex non living compunds
Laving organisms
Complex protein molecules
Bacterial colonies
Previous
Skip
Next
Question # 8
Which of the following statements is not true with respect to atomic spectroscopy.
Choose an answer
Atoms are simplest form of matter
Atoms cannot rotate or vibrate as molecules do
Only electronic transitions within atoms take place
Band spectra are observed
Previous
Skip
Next
Question # 9
While compacting the concrete by a mechanical vibrator, the slump should not exceed.
Choose an answer
2.5 cm
10 cm
3.1 cm
5.0 cm
Previous
Skip
Next
Question # 10
Solution with components which obeys Raoult's over the entire composition range are said to be.
Choose an answer
Real solution
Regular solutions
Dilute solutions
Ideal Solution
Previous
Skip
Next
Question # 11
In an adiabatic system, if work in done, the temperature must.
Choose an answer
Increase
Decrease
Remain the same
Increase than decrease
Previous
Skip
Next
Question # 12
Oxytocin, a pituitary hormone to
Choose an answer
Amino acid
Polypeptide
Protein
Conjugated protein
Previous
Skip
Next
Question # 13
Which of the following methods is used in qualitativ eanalysis.
Choose an answer
Physical method
Chemical method
Instrumental method
All above
Previous
Skip
Next
Question # 14
Cytosine a pyrimidine base pairs with
Choose an answer
Guanine
Thymine
Adenine
Any of these
Previous
Skip
Next
Question # 15
Which of the following compounds does not show dipole moment.
Choose an answer
CH3OH
HBr
CCl4
CHCl3
Previous
Skip
Next
Question # 16
Particulate from soil and mineral primarily contains
Choose an answer
Sodium compounds
Calcium compounds
Silicon compounds
Calcium, aluminum and silicon compounds
Previous
Skip
Next
Question # 17
The variable valency is generally observed in case of.
Choose an answer
Transition elements
Inert gases
Normal elements
Non- metallic elements
Previous
Skip
Next
Question # 18
A minor constant is one whose amount in the sample is
Choose an answer
0.1 to 1 %
0.01 to 1%
1 to 10%
None of the above
Previous
Skip
Next
Question # 19
In C4-axis of rotation, an object in rotated through an angle of.
Choose an answer
120
o
180
o
100
o
90
o
Previous
Skip
Next
Question # 20
Among the following statements in the nitration of aromatic compounds, the false one is.
Choose an answer
The rate of nitration of benzene is almost the same as that of hexadeutero benzene
The rate of nitration of toluene is greater than that of benzene
The rate of nitrationof benzen is greater than that of hexadeutero benzene.
Nitration in an electrophite substitution reaction.
Previous
Skip
Next
Question # 21
Atomic volume of C, N, O and F are in the order
Choose an answer
C > N > F > O
C > N > O > F
F > O > N >C
N > C > O >F
Previous
Skip
Next
Question # 22
Which of the following statement is true.
Choose an answer
Ferromagnetic separation is used to remove rion impurities from bauxite.
Aluminium is an amphoteric element which means that it can act as an oxidizing agent and as a reducing agent
Aluminium has a strong attinity for oxygen
Aluminothermic reactions are endothermic
Previous
Skip
Next
Question # 23
If the activation energy in the forwarded direction of an elementary step is 52 kj and the activation energy in the reverse direction is 74 kj. What is the energy of reaction Delta E for this step
Choose an answer
22 Kj
-22 kj
52 kj
-52 kj
Previous
Skip
Next
Question # 24
HCIO4, HNO3 and HCL are all strong acids in aqueous solution inglacial acetic acid medium, their acid strength is such that.
Choose an answer
HCIO4 > HCL > HNO3
HNO3 > HCIO4 > HCl
HCl > HCIO4 > HNO3
HCl > HCIO4 > HNO3
Previous
Skip
Next
Question # 25
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
Question # 26
The pH of 0.01 N NaOH is.
Choose an answer
12
13
14
11
Previous
Skip
Next
Question # 27
Domestic waste mostly constitutes
Choose an answer
Non biodegradable pollution
Biodegradable pollution
Effluents
Air pollution
Previous
Skip
Next
Question # 28
Strong field ligands such as CN
Choose an answer
Usually produce high spin complexes and small crystal field splitting
Usually produce low spin complexes and small crystal field splitting
Usually produce low spin complexes and high crystal field splitting
Cannot form low spin complexes
Previous
Skip
Next
Question # 29
D(+) glyceraldebydes has the absolute configurtion.
Choose an answer
E-
S-
E-
Z-
Previous
Skip
Next
Question # 30
Among the elements A,B,C and D having atomic numbers 9,10,11, and 12 respectively, the correct order of ionization energies is.
Choose an answer
A > B > C >D
B > A > D > C
B > A > C > D
D > C > B > A
Previous
Skip
Next
Question # 31
In the electrolysis of alumina, cryolite is added to.
Choose an answer
Lower the melting point of alumina
Increase the electric la conductivity
Minize anodize affect
Remove impurites from alumina
Previous
Skip
Next
Back